US3364087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of using laser to coat or etch substrate
Assignee: Varian Medical Systems Inc
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Filing: 1964-04-27
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Granted: 1968-01-16
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Expires: 1984-04-27
Abstract
No abstract record available.
Inventors
- 👤 Solomon Raymond
- 👤 Jr Louis F Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:44
CPC Classifications
B; B23; B23K; B23K26/00; B23K26/12; B23K26/123; B23K26/127; C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/28; C23C16/00; C23C16/44; C23C16/48; C23C16/481; C23C8/00; C23C8/06; C23F; C23F4/00; C23F4/02; C30; C30B; C30B31/00; C30B31/06; C30B31/18; C30B31/185; H; H10; H10P; H10P95/00; Y; Y10; Y10S; Y10S148/00; Y10S148/071; Y10S148/093; Y10S430/00; Y10S430/165
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
111 words
A METHOD FOR MACHINING A WORKPIECE HAVING A RELATIVELY HIGH TEMPERATURE OF VAPORIZATION COMPRISING THE STEPS OF: (A) CAUSING A PREDETRMINED ACTIVE ATMPSOHERE TO CONTACT THE SURFACE OF A WORKPIECE DESIRED TO BE ETCHED; (B) DIRECTING A CONCENTRATED BEAM A LASER TYPE LIGHT ONTO THE SURFACE OF THE WORKPIECE TO BE ETCHED FOR LOCALLY HEATING SELECTED AREA OF THE WORKPIECE TO THE REACTION TEMPERATURE OF SAID ACTIVE ATMOSPHERE WITH SAID WORKPIECE WHILE SAID ACTIVE ATMOSPHERE IS CONTACTING THE WORKPIECE SURFACE TO ETCH THE WORKPIECE BY CAUSING A REACTION FORMING A COMPOUND BETWEEN SAID WORKPIECE AND SAID ATMOSPHERE, SAID BEAM OF LIGHT BEING OF INSUFFICIENT INTENSITY TO CAUSE VAPORIZATION OF SAID WORKPIECE;
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |