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EP0702101A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

MBE System and semiconductor device fabricated using same

Assignee: Sony Corp
•
Filing: 1995-09-13
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Granted: —
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Expires: 2015-09-13
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Abstract

Abstract A molecular beam epitaxy system having a plurality of chambers which contain at least a first chamber and a second chamber. The first chamber is used to form II-V column compound semiconductor layers not containing Te. The second chamber is used to form II-V column compound semiconductor layers containing at least Te. A semiconductor device having an ohmic characteristics can be fabricated without mixing Te into other layers.

Inventors

  • 👤 Koshi c/o Sony Corp. Tamamura
  • 👤 Hironori c/o Sony Corp. Tsukamoto
  • 👤 Masao c/o Sony Corp. Ikeda

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-07 08:16
CPC Classifications
H; H10; H10H; H10H20/00; H10H20/01; H10H20/011; H10H20/012; H10P; H10P14/00; H10P14/20; H10P14/29; H10P14/2901; H10P14/2907; H10P14/2911; H10P14/32; H10P14/3202; H10P14/3214; H10P14/3221; H10P14/3224; H10P14/3228; H10P14/3231; H10P14/34; H10P14/3402; H10P14/3424; H10P14/3432; C; C30; C30B; C30B23/00; C30B23/02; C30B29/00; C30B29/10; C30B29/46; C30B29/48

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 38 words
A molecular beam epitaxy system comprising: a first chamber for forming layers of semiconductors of II-V column compounds not containing tellurium; and a second chamber for forming layers of semiconductors of II-V column compounds containing at least tellurium.
Claim 2
Dependent Claim 47 words
A molecular beam epitaxy system having a chamber to which a plurality of cells are connected, said cells containing at least one cell for evaporating tellurium, said system comprising: a gate valve mounted in said cell for evaporating tellurium and located on a side of said chamber.
Claim 3
Dependent Claim 66 words
A molecular beam epitaxy system comprising: a first chamber for forming layers of semiconductors of II-V column compounds not containing tellurium; a second chamber for forming layers of semiconductors of II-V column compounds containing at least tellurium; a plurality of cells connected to said second chamber; and a gate valve mounted in said cell for evaporating tellurium and located on a side of said second chamber.
Claim 4
Dependent Claim 38 words
A method of fabricating an optical semiconductor device having laminated II-V column compound semiconductor layers, comprising the step of: forming the II-V column compound semiconductor layers containing at least tellurium, using the system of claim 1 or 2.
Claim 5
Dependent Claim 29 words
A method of fabricating an optical semiconductor device as set forth in claim 4, wherein said II-V column compound semiconductor layers form a multilayer film of ZnSe and ZnTe.
Claim 6
Dependent Claim 41 words
A method of fabricating an optical semiconductor device as set forth in claim 5, wherein said ZnSe and ZnTe form contact layers and said ZnTe forms a cap layer, and wherein said optical semiconductor device forms a laser emitting blue light.
Claim 7
Dependent Claim 61 words
A method of fabricating an optical semiconductor device acting as a laser emitting blue light as set forth in claim 6, wherein II-V column compound semiconductor layers are formed from a buffer layer not containing Te to a cladding layer while closing said gate valve, and wherein said contact layer and said cap layer are formed while opening said gate valve.

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