Fabricating a gallium nitride layer with diamond layers
First Claim
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1. A method, comprising:
- fabricating a gallium nitride (GaN) layer with a first diamond layer having a first thermal conductivity and a second diamond layer having a second thermal conductivity greater than the first thermal conductivity, the fabricating comprising;
using a microwave plasma chemical vapor deposition (CVD) process to deposit the second diamond layer of about 2 mils or greater onto the first diamond layer.
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Abstract
In one aspect, a method includes fabricating a gallium nitride (GaN) layer with a first diamond layer having a first thermal conductivity and a second diamond layer having a second thermal conductivity greater than the first thermal conductivity. The fabricating includes using a microwave plasma chemical vapor deposition (CVD) process to deposit the second diamond layer onto the first diamond layer.
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Citations
32 Claims
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1. A method, comprising:
fabricating a gallium nitride (GaN) layer with a first diamond layer having a first thermal conductivity and a second diamond layer having a second thermal conductivity greater than the first thermal conductivity, the fabricating comprising; using a microwave plasma chemical vapor deposition (CVD) process to deposit the second diamond layer of about 2 mils or greater onto the first diamond layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method, comprising:
fabricating a gallium nitride (GaN) layer with a first diamond layer having a first thermal conductivity and a second diamond layer having a second thermal conductivity twice the first thermal conductivity, the fabricating comprising; using a microwave plasma chemical vapor deposition (CVD) process to deposit the second diamond layer of between about 2 mils to about 4 mils on the first diamond layer of less than about 1 mil. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28)
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29. A method, comprising:
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fabricating a gallium nitride (GaN) layer with a first diamond layer and a second diamond layer, the fabricating comprising; using a microwave plasma chemical vapor deposition (CVD) process to deposit the second diamond layer of at least about 2 mils onto the first diamond layer, wherein fabricating a gallium nitride (GaN) layer with a first diamond layer and a second diamond layer comprises fabricating the GaN layer comprising at least one of undoped GaN, doped GaN or GaN combined with another element. - View Dependent Claims (30, 31, 32)
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Specification