US3061422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of maching semiconductors
Assignee: NEC Corp
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Filing: 1960-11-25
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Granted: 1962-10-30
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Expires: 1980-11-25
Abstract
No abstract record available.
Inventors
- 👤 Sato Akihiko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:56
CPC Classifications
B; B24; B24B; B24B31/00; B01; B01J; B01J19/00; B01J19/08; B01J19/10; B24B1/00; B24B1/04; B24B31/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A METHOD FOR SHAPING PRECISIONED CUTS IN A SEMICONDUCTIVE MATERIAL, COMPRISING ADHERING SAID MATERIAL TO A PREFORMED MOLD HAVING A SHAPE WITH PRECISIONED CUTS, AND SUBJECTING SAID ADHERED MOLD AND MATERIAL TO SUPERSONIC VIBRATORY MOTION IN AN ABRASIVE SUBSTANCE, WHEREBY SAID ABRASIVE SUBSTANCE ACTS ON SAID SEMICONDUCTIVE MATERIAL ONLY TO SHAPE IT WITH PRECISIONED CUTS IDENTICAL TO THE CUTS OF SAID PREFORMED MOLD.
Claim 2
Independent Claim
63 words
A METHOD FOR SHAPING PRECISIONED CUTS IN A SEMICONDUCTIVE MATERIAL, COMPRISING ADHERING SAID MATERIAL TO A PREFORMED MOLD HAVING A SHAPE WITH PRECISIONED CUTS, AND SUBJECTING SAID ADHERED MOLD AND MATERIAL TO SUPERSONIC VIBRATORY MOTION IN AN ABRASIVE SUBSTANCE, WHEREBY SAID ABRASIVE SUBSTANCE ACTS ON SAID SEMICONDUCTIVE MATERIAL ONLY TO SHAPE IT WITH PRECISIONED CUTS IDENTICAL TO THE CUTS OF SAID PREFORMED MOLD.
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) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |