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US3850685A Expired / Lapsed US ⏱️ 0.0 years remaining

Thin layer semiconductor device

Assignee: Pioneer Corp
•
Filing: 1972-10-26
•
Granted: 1974-11-26
•
Expires: 1992-10-26
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Abstract

Abstract A thin layer semiconductor device comprising a mixed crystal, InSb(1 x)Asx composed of indium, In, antimony, Sb, and arsenic, As, in a compounding ratio in which x satisfies the following relationship.

Inventors

  • 👤 Y Sakai

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 17:37
CPC Classifications
H; H10; H10N; H10N52/00; H10N52/01; H10N52/80; H10N52/85; Y; Y10; Y10S; Y10S148/00; Y10S148/005; Y10S148/065; Y10S148/122; Y10S148/15; Y10S148/169; Y10S420/00; Y10S420/903

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 23 words
A PROCESS FOR PREPARING A THIN LAYER SEMI-CONDUCTOR DEVICE CONSISTING OF A MIXED CRYSTAL OF INSB(1-S)ASS IN WHICH A SATISFIES THE FOLLOWING RELATIONSHIP
Claim 2
Dependent Claim 23 words
A PROCESS FOR PREPARING A THIN LAYER SEMI-CONDUCTOR DEVICE CONSISTING OF A MIXED CRYSTAL OF INSB(1-S)ASS IN WHICH A SATISFIES THE FOLLOWING RELATIONSHIP
Claim 3
Dependent Claim 23 words
The process of claim 1, wherein said vacuum ranges from about 2 X 10 5 torr to about 5 X 10 5 torr.
Claim 4
Dependent Claim 20 words
The process of claim 1, wherein said substrate is heated to a temperature ranging from about 400*C to about 500*C.

References Cited (Backward Citations)

US3441453A Cited
US3674549A Cited
US3558373A Cited
US3666553A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-11-25 1978-05-27 1978-11-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-25 1982-05-27 1982-11-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-25 1986-05-27 1986-11-26 $7700.00 Window Closed / Lapsed

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