US3170218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing tablets of semiconductor material, particularly selenium
Assignee: Siemens Schuckertwerke AG
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Filing: 1962-10-26
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Granted: 1965-02-23
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Expires: 1982-10-26
Abstract
No abstract record available.
Inventors
- 👤 Siebert Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:13
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/01; H10D48/04; H10D48/043; H10D99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
THE METHOD OF PRODUCING SEMICONDUCTOR TABLETS COMPRISING THE STEPS OF: (A) PLACING UPON A STARTING PLATE, CONSISTING OF A METALLIC CARRIER SHEET WITH A SEMICONDUCTOR COATING, A STENCIL HAVING UNIFORMLY DISTRIBUTED SMALL HOLES EXPOSING CORRESPONDING AREAS OF THE SEMICONDUCTOR SURFACE, (B) EPOSITING A COVER-ELECTRODE MATERIAL UPON THE SEMICONDUCTOR LAYER COVERED BY THE STENCIL; (C) REMOVING THE STENCIL, AND COATING THE ENTIRE SEMICONDUCTOR AND COVER-ELECTRODE SURFACE OF THE STARTING PLATE WITH INSULATING VARNISH; (D) SPRAYING, AFTER DRYING OF THE VARNISH LAYER, A METALLIC TERMINAL-ELECTRODE MATERIAL UPON THE ENTIRE SURFACE OF THE VARNISH COATING, WHEREBY THE TERMINALELECTRODE MATERIAL PENETRATES THROUGH THE VARNISH IN THE COVER-ELECTRODE AREAS AND FORMS ELECTRIC CONTACTS WITH THE COVER-ELECTRODE MATERIAL; AND (E) DIVIDING THE NOW-COATED STARTING PLATE BETWEEN THE AREAS INTO A MULTIPLICITY OF TABLETS.
Claim 2
Independent Claim
127 words
THE METHOD OF PRODUCING SEMICONDUCTOR TABLETS COMPRISING THE STEPS OF: (A) PLACING UPON A STARTING PLATE, CONSISTING OF A METALLIC CARRIER SHEET WITH A SEMICONDUCTOR COATING, A STENCIL HAVING UNIFORMLY DISTRIBUTED SMALL HOLES EXPOSING CORRESPONDING AREAS OF THE SEMICONDUCTOR SURFACE, (B) EPOSITING A COVER-ELECTRODE MATERIAL UPON THE SEMICONDUCTOR LAYER COVERED BY THE STENCIL; (C) REMOVING THE STENCIL, AND COATING THE ENTIRE SEMICONDUCTOR AND COVER-ELECTRODE SURFACE OF THE STARTING PLATE WITH INSULATING VARNISH; (D) SPRAYING, AFTER DRYING OF THE VARNISH LAYER, A METALLIC TERMINAL-ELECTRODE MATERIAL UPON THE ENTIRE SURFACE OF THE VARNISH COATING, WHEREBY THE TERMINALELECTRODE MATERIAL PENETRATES THROUGH THE VARNISH IN THE COVER-ELECTRODE AREAS AND FORMS ELECTRIC CONTACTS WITH THE COVER-ELECTRODE MATERIAL; AND (E) DIVIDING THE NOW-COATED STARTING PLATE BETWEEN THE AREAS INTO A MULTIPLICITY OF TABLETS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |