PREPARATION DEVICE AND METHOD FOR SEMI-INSULATING INDIUM PHOSPHIDE | Matter42 Literature
Patent
Atlas literature
Patent
US 12,559,861 B2
PREPARATION DEVICE AND METHOD FOR SEMI-INSULATING INDIUM PHOSPHIDE
Shujie Wang, Niefeng Sun, Senfeng Xu, Tongnian Sun et al.
The 13th Research Institute of China Electronics Technology Group Corporation, Shijiazhuang (CN)·Feb. 24, 2026·US
Drawings
Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1
FIG. 1 is a diagram of one of preparation devices;
FIG. 2
FIG. 2 is a structure diagram of an injection lifting rod;
FIG. 3
process chamber schematic
FIG. 3 is a schematic view of in-situ annealing assembly;
FIG. 4
FIG. 4 is a structure diagram of a lifting rod;
FIG. 5
process chamber schematic
FIG. 5 is a schematic view of a fixing structure for a lower seal cover;
FIG. 6
FIG. 6 is a structure diagram of a drive rod and a fixing structure thereof;
FIG. 7
FIG. 7 is a structure diagram of an upper seal cover;
FIG. 8
FIG. 8 is a structure diagram of a seed crystal rod;
FIG. 9
process chamber schematic
FIG. 9 is a schematic view of hydrogen treatment on an 45 indium melt;
FIG. 10
process chamber schematic
FIG. 10 is a schematic view of injection synthesis; and
FIG. 11
process chamber schematic
FIG. 11 is a schematic view of crystal growth. In which, 1: main furnace body; 1-1: chassis; 2: upper furnace body; 3: seed crystal rod; 3-1: auxiliary seed …
Claims
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
1 independent · 9 dependent
1
IndependentInB₂O₃InPsemi-insulated indium phosphide preparation device with in-situ annealing
A preparation device of semi-insulated indium phos-phide, comprising a furnace body, a crucible and a heating and supporting system disposed in the furnace body, a seed crystal rod passing through the furnace body, wherein a hydrogen gas tube, an inert gas tube, and an exhaust tube are disposed on a side face of the furnace body; an injector is disposed in the furnace body, and an injection lifting rod connected to the injector protrudes from the furnace body so as to be connected to a driving device; and an in-situ annealing device is also disposed in the furnace body; the in-situ annealing device comprises an upper seal cover, an upper seal cover driving device, a lower seal cover, and a lower seal cover driving device; a lower part of the upper seal cover is open to form an upper seal cover main body, an upper part of the lower seal cover is open, an upper seal cover heating wire is disposed outside the upper seal cover main body, and a lower seal cover heating wire is disposed outside the upper opening of the lower seal cover; and driven by the upper seal cover driving device and the lower seal cover driving device, the seal cover main body is partially overlapped with the upper opening of the lower seal cover to form an annealing space.
2
Dependent← claim 1semi-insulated indium phosphide preparation device with in-situ annealing
The preparation device of semi-insulated indium phos-phide according to claim 1, wherein an injector heating wire is disposed surrounding the injector, and the injection tube communicates the injector with the inner space of the furnace body.
3
Dependent← claim 1semi-insulated indium phosphide preparation device with in-situ annealing
The preparation device of semi-insulated indium phos-phide according to claim 1, wherein the upper seal cover driving device comprises a lifting rod connected to a driving mechanism outside the furnace body and a lifting rod support connected to the lifting rod, the lifting rod support is connected to the upper seal cover, and the lifting rod drives the upper seal cover to move up and down; the lower seal cover driving device comprises a drive rod connected to the driving mechanism, the drive rod is connected to the lower seal cover, and the drive rod drives the lower seal cover to move left and right; a storage chamber is disposed inside the furnace body, and thea space size of the storage chamber is set according to the lower seal cover; and the drive rod drives the lower seal cover to recess into and extend from the storage chamber.
6
Dependent← claim 1InB₂O₃InPPsemi-insulated indium phosphide preparation device with in-situ annealing
A preparation method of semi-insulated indium phos-phide, completed based on the preparation device of semiinsulated indium phosphide according to claim 1, wherein the method comprises the following steps: step A, heating indium to form an indium melt; step B, filling the furnace body with hydrogen of 0.02-0.3 MPa and holding pressure for 1-5 hours, so that hydro-gen atoms are dissolved into the indium melt; and covering the surface of the melt with liquid boron oxide; step C, filling the furnace body with an inert gas of 6-15 MPa; step D, by means of the injector, injecting a phosphorus gas into the indium melt to obtain a phosphorus-rich indium-phosphorus melt; step E, growing a crystal; and step F, after completion of the crystal growth, annealing the crystal in an in-situ annealing device to complete the preparation of semi-insulated indium phosphide.
Device structures
Layer stacks claimed or described, ordered top of device to substrate.
semi-insulated indium phosphide preparation device with in-situ annealing
No layer stack recorded.
Materials
Materials described outside the worked examples.
indium
In
Precursor Melt
boron oxide
B₂O₃
Encapsulant Liquid Seal
Process steps
Additional fabrication and treatment steps described in the patent.
1
Crystal Growth Liquid Encapsulated Czochralski
Step 1
Ambient
H2 then inert gas
Process details
step A:
Reported properties
Performance values and ranges asserted in the specification or claims.
Property
Value
Material
hydrogen pressure in step B
0.02–0.3 MPa
H₂
hydrogen hold time in step B
1–5 hours
Cited prior art
Patents and literature cited by this patent (applicant and examiner references).
Cited patents · 14
US 4,544,417 A4,544,417 A 10/1985 Clarke et al.
US 4,704,257 A4,704,257 A 11/1987 Tomizawa et al.
CN 110760932 ACN 110760932 A 2/2020
CN 113308740 ACN 113308740 A 8/2021
US 5,667,588 A5,667,588 A * 9/1997 Iino......................... C30B 15/00examiner
US 6,171,395 B16,171,395 B1 * 1/2001 von Ammon........... C30B 15/00
Why these are connected
Related documents with shared materials, methods, properties, or citations.
PREPARATION DEVICE AND METHOD FOR SEMI-INSULATING INDIUM PHOSPHIDE
Shujie Wang, Niefeng Sun, Senfeng Xu, Tongnian Sun et al.
The 13th Research Institute of China Electronics Technology Group Corporation, Shijiazhuang (CN)·Feb. 24, 2026·US
Drawings
Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1
FIG. 1 is a diagram of one of preparation devices;
FIG. 2
FIG. 2 is a structure diagram of an injection lifting rod;
FIG. 3
process chamber schematic
FIG. 3 is a schematic view of in-situ annealing assembly;
FIG. 4
FIG. 4 is a structure diagram of a lifting rod;
FIG. 5
process chamber schematic
FIG. 5 is a schematic view of a fixing structure for a lower seal cover;
FIG. 6
FIG. 6 is a structure diagram of a drive rod and a fixing structure thereof;
FIG. 7
FIG. 7 is a structure diagram of an upper seal cover;
FIG. 8
FIG. 8 is a structure diagram of a seed crystal rod;
FIG. 9
process chamber schematic
FIG. 9 is a schematic view of hydrogen treatment on an 45 indium melt;
FIG. 10
process chamber schematic
FIG. 10 is a schematic view of injection synthesis; and
FIG. 11
process chamber schematic
FIG. 11 is a schematic view of crystal growth. In which, 1: main furnace body; 1-1: chassis; 2: upper furnace body; 3: seed crystal rod; 3-1: auxiliary seed …
Claims
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
1 independent · 9 dependent
1
IndependentInB₂O₃InPsemi-insulated indium phosphide preparation device with in-situ annealing
A preparation device of semi-insulated indium phos-phide, comprising a furnace body, a crucible and a heating and supporting system disposed in the furnace body, a seed crystal rod passing through the furnace body, wherein a hydrogen gas tube, an inert gas tube, and an exhaust tube are disposed on a side face of the furnace body; an injector is disposed in the furnace body, and an injection lifting rod connected to the injector protrudes from the furnace body so as to be connected to a driving device; and an in-situ annealing device is also disposed in the furnace body; the in-situ annealing device comprises an upper seal cover, an upper seal cover driving device, a lower seal cover, and a lower seal cover driving device; a lower part of the upper seal cover is open to form an upper seal cover main body, an upper part of the lower seal cover is open, an upper seal cover heating wire is disposed outside the upper seal cover main body, and a lower seal cover heating wire is disposed outside the upper opening of the lower seal cover; and driven by the upper seal cover driving device and the lower seal cover driving device, the seal cover main body is partially overlapped with the upper opening of the lower seal cover to form an annealing space.
2
Dependent← claim 1semi-insulated indium phosphide preparation device with in-situ annealing
The preparation device of semi-insulated indium phos-phide according to claim 1, wherein an injector heating wire is disposed surrounding the injector, and the injection tube communicates the injector with the inner space of the furnace body.
3
Dependent← claim 1semi-insulated indium phosphide preparation device with in-situ annealing
The preparation device of semi-insulated indium phos-phide according to claim 1, wherein the upper seal cover driving device comprises a lifting rod connected to a driving mechanism outside the furnace body and a lifting rod support connected to the lifting rod, the lifting rod support is connected to the upper seal cover, and the lifting rod drives the upper seal cover to move up and down; the lower seal cover driving device comprises a drive rod connected to the driving mechanism, the drive rod is connected to the lower seal cover, and the drive rod drives the lower seal cover to move left and right; a storage chamber is disposed inside the furnace body, and thea space size of the storage chamber is set according to the lower seal cover; and the drive rod drives the lower seal cover to recess into and extend from the storage chamber.
6
Dependent← claim 1InB₂O₃InPPsemi-insulated indium phosphide preparation device with in-situ annealing
A preparation method of semi-insulated indium phos-phide, completed based on the preparation device of semiinsulated indium phosphide according to claim 1, wherein the method comprises the following steps: step A, heating indium to form an indium melt; step B, filling the furnace body with hydrogen of 0.02-0.3 MPa and holding pressure for 1-5 hours, so that hydro-gen atoms are dissolved into the indium melt; and covering the surface of the melt with liquid boron oxide; step C, filling the furnace body with an inert gas of 6-15 MPa; step D, by means of the injector, injecting a phosphorus gas into the indium melt to obtain a phosphorus-rich indium-phosphorus melt; step E, growing a crystal; and step F, after completion of the crystal growth, annealing the crystal in an in-situ annealing device to complete the preparation of semi-insulated indium phosphide.
Device structures
Layer stacks claimed or described, ordered top of device to substrate.
semi-insulated indium phosphide preparation device with in-situ annealing
No layer stack recorded.
Materials
Materials described outside the worked examples.
indium
In
Precursor Melt
boron oxide
B₂O₃
Encapsulant Liquid Seal
Process steps
Additional fabrication and treatment steps described in the patent.
1
Crystal Growth Liquid Encapsulated Czochralski
Step 1
Ambient
H2 then inert gas
Process details
step A:
Reported properties
Performance values and ranges asserted in the specification or claims.
Property
Value
Material
hydrogen pressure in step B
0.02–0.3 MPa
H₂
hydrogen hold time in step B
1–5 hours
Cited prior art
Patents and literature cited by this patent (applicant and examiner references).
Cited patents · 14
US 4,544,417 A4,544,417 A 10/1985 Clarke et al.
US 4,704,257 A4,704,257 A 11/1987 Tomizawa et al.
CN 110760932 ACN 110760932 A 2/2020
CN 113308740 ACN 113308740 A 8/2021
US 5,667,588 A5,667,588 A * 9/1997 Iino......................... C30B 15/00examiner
US 6,171,395 B16,171,395 B1 * 1/2001 von Ammon........... C30B 15/00
Why these are connected
Related documents with shared materials, methods, properties, or citations.
PREPARATION DEVICE AND METHOD FOR SEMI-INSULATING INDIUM PHOSPHIDE
Shujie Wang, Niefeng Sun, Senfeng Xu, Tongnian Sun et al.
The 13th Research Institute of China Electronics Technology Group Corporation, Shijiazhuang (CN)·Feb. 24, 2026·US
Drawings
Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1
FIG. 1 is a diagram of one of preparation devices;
FIG. 2
FIG. 2 is a structure diagram of an injection lifting rod;
FIG. 3
process chamber schematic
FIG. 3 is a schematic view of in-situ annealing assembly;
FIG. 4
FIG. 4 is a structure diagram of a lifting rod;
FIG. 5
process chamber schematic
FIG. 5 is a schematic view of a fixing structure for a lower seal cover;
FIG. 6
FIG. 6 is a structure diagram of a drive rod and a fixing structure thereof;
FIG. 7
FIG. 7 is a structure diagram of an upper seal cover;
FIG. 8
FIG. 8 is a structure diagram of a seed crystal rod;
FIG. 9
process chamber schematic
FIG. 9 is a schematic view of hydrogen treatment on an 45 indium melt;
FIG. 10
process chamber schematic
FIG. 10 is a schematic view of injection synthesis; and
FIG. 11
process chamber schematic
FIG. 11 is a schematic view of crystal growth. In which, 1: main furnace body; 1-1: chassis; 2: upper furnace body; 3: seed crystal rod; 3-1: auxiliary seed …
Claims
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
1 independent · 9 dependent
1
IndependentInB₂O₃InPsemi-insulated indium phosphide preparation device with in-situ annealing
A preparation device of semi-insulated indium phos-phide, comprising a furnace body, a crucible and a heating and supporting system disposed in the furnace body, a seed crystal rod passing through the furnace body, wherein a hydrogen gas tube, an inert gas tube, and an exhaust tube are disposed on a side face of the furnace body; an injector is disposed in the furnace body, and an injection lifting rod connected to the injector protrudes from the furnace body so as to be connected to a driving device; and an in-situ annealing device is also disposed in the furnace body; the in-situ annealing device comprises an upper seal cover, an upper seal cover driving device, a lower seal cover, and a lower seal cover driving device; a lower part of the upper seal cover is open to form an upper seal cover main body, an upper part of the lower seal cover is open, an upper seal cover heating wire is disposed outside the upper seal cover main body, and a lower seal cover heating wire is disposed outside the upper opening of the lower seal cover; and driven by the upper seal cover driving device and the lower seal cover driving device, the seal cover main body is partially overlapped with the upper opening of the lower seal cover to form an annealing space.
2
Dependent← claim 1semi-insulated indium phosphide preparation device with in-situ annealing
The preparation device of semi-insulated indium phos-phide according to claim 1, wherein an injector heating wire is disposed surrounding the injector, and the injection tube communicates the injector with the inner space of the furnace body.
3
Dependent← claim 1semi-insulated indium phosphide preparation device with in-situ annealing
The preparation device of semi-insulated indium phos-phide according to claim 1, wherein the upper seal cover driving device comprises a lifting rod connected to a driving mechanism outside the furnace body and a lifting rod support connected to the lifting rod, the lifting rod support is connected to the upper seal cover, and the lifting rod drives the upper seal cover to move up and down; the lower seal cover driving device comprises a drive rod connected to the driving mechanism, the drive rod is connected to the lower seal cover, and the drive rod drives the lower seal cover to move left and right; a storage chamber is disposed inside the furnace body, and thea space size of the storage chamber is set according to the lower seal cover; and the drive rod drives the lower seal cover to recess into and extend from the storage chamber.
6
Dependent← claim 1InB₂O₃InPPsemi-insulated indium phosphide preparation device with in-situ annealing
A preparation method of semi-insulated indium phos-phide, completed based on the preparation device of semiinsulated indium phosphide according to claim 1, wherein the method comprises the following steps: step A, heating indium to form an indium melt; step B, filling the furnace body with hydrogen of 0.02-0.3 MPa and holding pressure for 1-5 hours, so that hydro-gen atoms are dissolved into the indium melt; and covering the surface of the melt with liquid boron oxide; step C, filling the furnace body with an inert gas of 6-15 MPa; step D, by means of the injector, injecting a phosphorus gas into the indium melt to obtain a phosphorus-rich indium-phosphorus melt; step E, growing a crystal; and step F, after completion of the crystal growth, annealing the crystal in an in-situ annealing device to complete the preparation of semi-insulated indium phosphide.
Device structures
Layer stacks claimed or described, ordered top of device to substrate.
semi-insulated indium phosphide preparation device with in-situ annealing
No layer stack recorded.
Materials
Materials described outside the worked examples.
indium
In
Precursor Melt
boron oxide
B₂O₃
Encapsulant Liquid Seal
Process steps
Additional fabrication and treatment steps described in the patent.
1
Crystal Growth Liquid Encapsulated Czochralski
Step 1
Ambient
H2 then inert gas
Process details
step A:
Reported properties
Performance values and ranges asserted in the specification or claims.
Property
Value
Material
hydrogen pressure in step B
0.02–0.3 MPa
H₂
hydrogen hold time in step B
1–5 hours
Cited prior art
Patents and literature cited by this patent (applicant and examiner references).
Cited patents · 14
US 4,544,417 A4,544,417 A 10/1985 Clarke et al.
US 4,704,257 A4,704,257 A 11/1987 Tomizawa et al.
CN 110760932 ACN 110760932 A 2/2020
CN 113308740 ACN 113308740 A 8/2021
US 5,667,588 A5,667,588 A * 9/1997 Iino......................... C30B 15/00examiner
US 6,171,395 B16,171,395 B1 * 1/2001 von Ammon........... C30B 15/00
Why these are connected
Related documents with shared materials, methods, properties, or citations.
PREPARATION DEVICE AND METHOD FOR SEMI-INSULATING INDIUM PHOSPHIDE
Shujie Wang, Niefeng Sun, Senfeng Xu, Tongnian Sun et al.
The 13th Research Institute of China Electronics Technology Group Corporation, Shijiazhuang (CN)·Feb. 24, 2026·US
Drawings
Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1
FIG. 1 is a diagram of one of preparation devices;
FIG. 2
FIG. 2 is a structure diagram of an injection lifting rod;
FIG. 3
process chamber schematic
FIG. 3 is a schematic view of in-situ annealing assembly;
FIG. 4
FIG. 4 is a structure diagram of a lifting rod;
FIG. 5
process chamber schematic
FIG. 5 is a schematic view of a fixing structure for a lower seal cover;
FIG. 6
FIG. 6 is a structure diagram of a drive rod and a fixing structure thereof;
FIG. 7
FIG. 7 is a structure diagram of an upper seal cover;
FIG. 8
FIG. 8 is a structure diagram of a seed crystal rod;
FIG. 9
process chamber schematic
FIG. 9 is a schematic view of hydrogen treatment on an 45 indium melt;
FIG. 10
process chamber schematic
FIG. 10 is a schematic view of injection synthesis; and
FIG. 11
process chamber schematic
FIG. 11 is a schematic view of crystal growth. In which, 1: main furnace body; 1-1: chassis; 2: upper furnace body; 3: seed crystal rod; 3-1: auxiliary seed …
Claims
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
1 independent · 9 dependent
1
IndependentInB₂O₃InPsemi-insulated indium phosphide preparation device with in-situ annealing
A preparation device of semi-insulated indium phos-phide, comprising a furnace body, a crucible and a heating and supporting system disposed in the furnace body, a seed crystal rod passing through the furnace body, wherein a hydrogen gas tube, an inert gas tube, and an exhaust tube are disposed on a side face of the furnace body; an injector is disposed in the furnace body, and an injection lifting rod connected to the injector protrudes from the furnace body so as to be connected to a driving device; and an in-situ annealing device is also disposed in the furnace body; the in-situ annealing device comprises an upper seal cover, an upper seal cover driving device, a lower seal cover, and a lower seal cover driving device; a lower part of the upper seal cover is open to form an upper seal cover main body, an upper part of the lower seal cover is open, an upper seal cover heating wire is disposed outside the upper seal cover main body, and a lower seal cover heating wire is disposed outside the upper opening of the lower seal cover; and driven by the upper seal cover driving device and the lower seal cover driving device, the seal cover main body is partially overlapped with the upper opening of the lower seal cover to form an annealing space.
2
Dependent← claim 1semi-insulated indium phosphide preparation device with in-situ annealing
The preparation device of semi-insulated indium phos-phide according to claim 1, wherein an injector heating wire is disposed surrounding the injector, and the injection tube communicates the injector with the inner space of the furnace body.
3
Dependent← claim 1semi-insulated indium phosphide preparation device with in-situ annealing
The preparation device of semi-insulated indium phos-phide according to claim 1, wherein the upper seal cover driving device comprises a lifting rod connected to a driving mechanism outside the furnace body and a lifting rod support connected to the lifting rod, the lifting rod support is connected to the upper seal cover, and the lifting rod drives the upper seal cover to move up and down; the lower seal cover driving device comprises a drive rod connected to the driving mechanism, the drive rod is connected to the lower seal cover, and the drive rod drives the lower seal cover to move left and right; a storage chamber is disposed inside the furnace body, and thea space size of the storage chamber is set according to the lower seal cover; and the drive rod drives the lower seal cover to recess into and extend from the storage chamber.
6
Dependent← claim 1InB₂O₃InPPsemi-insulated indium phosphide preparation device with in-situ annealing
A preparation method of semi-insulated indium phos-phide, completed based on the preparation device of semiinsulated indium phosphide according to claim 1, wherein the method comprises the following steps: step A, heating indium to form an indium melt; step B, filling the furnace body with hydrogen of 0.02-0.3 MPa and holding pressure for 1-5 hours, so that hydro-gen atoms are dissolved into the indium melt; and covering the surface of the melt with liquid boron oxide; step C, filling the furnace body with an inert gas of 6-15 MPa; step D, by means of the injector, injecting a phosphorus gas into the indium melt to obtain a phosphorus-rich indium-phosphorus melt; step E, growing a crystal; and step F, after completion of the crystal growth, annealing the crystal in an in-situ annealing device to complete the preparation of semi-insulated indium phosphide.
Device structures
Layer stacks claimed or described, ordered top of device to substrate.
semi-insulated indium phosphide preparation device with in-situ annealing
No layer stack recorded.
Materials
Materials described outside the worked examples.
indium
In
Precursor Melt
boron oxide
B₂O₃
Encapsulant Liquid Seal
Process steps
Additional fabrication and treatment steps described in the patent.
1
Crystal Growth Liquid Encapsulated Czochralski
Step 1
Ambient
H2 then inert gas
Process details
step A:
Reported properties
Performance values and ranges asserted in the specification or claims.
Property
Value
Material
hydrogen pressure in step B
0.02–0.3 MPa
H₂
hydrogen hold time in step B
1–5 hours
Cited prior art
Patents and literature cited by this patent (applicant and examiner references).
Cited patents · 14
US 4,544,417 A4,544,417 A 10/1985 Clarke et al.
US 4,704,257 A4,704,257 A 11/1987 Tomizawa et al.
CN 110760932 ACN 110760932 A 2/2020
CN 113308740 ACN 113308740 A 8/2021
US 5,667,588 A5,667,588 A * 9/1997 Iino......................... C30B 15/00examiner
US 6,171,395 B16,171,395 B1 * 1/2001 von Ammon........... C30B 15/00
Why these are connected
Related documents with shared materials, methods, properties, or citations.