US3412455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fusion bonding to non-metals
Assignee: US Philips Corp
•
Filing: 1963-08-13
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Granted: 1968-11-26
•
Expires: 1983-08-13
Abstract
No abstract record available.
Inventors
- 👤 Robert L Bronnes
- 👤 Ray C Hughes
- 👤 Richard C Sweet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:57
CPC Classifications
C; C04; C04B; C04B37/00; C04B37/02; C04B37/023; C04B37/026; B; B23; B23K; B23K35/00; B23K35/001; C04B37/003; C04B37/006; C04B41/00; C04B41/80; C04B41/81; C04B41/89; C23; C23C; C23C14/00; C23C14/06; C23C14/14; C23C14/18; G; G11; G11B; G11B5/00; G11B5/127; G11B5/187; G11B5/193; C04B2235/00; C04B2235/65; C04B2235/658; C04B2235/6581; C04B2237/00; C04B2237/02; C04B2237/12; C04B2237/123; C04B2237/125; C04B2237/126; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/36; C04B2237/50; C04B2237/52; C04B2237/64; C04B2237/70; C04B2237/708; C04B2237/72; C04B2237/76
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
73 words
A METHOD OF HERMETICALLY SEALING A ZINC-SULFIDE WAFER TO A METAL BODY COMPRISING THE STEPS, APPLYING TO A CLEAN SURFACE PORTION OF THE WAFER, BY CATHODIC SPUTTERING, A THIN LAYER OF AN ALLOY OF NICKEL, IRON, AND COBALT; APPLYING OVER THE ALLOY LAYER, BY CATHODIC SPUTTERING, A THIN LAYER OF PLATINUM; APPLYING OVER THE PLATINUM LAYER, BY CATHODIC SPUTTERING, A THIN LAYER OF GOLD; AND SOLDERING THE SOCOATED WAFER TO THE METAL BODY.
Claim 2
Independent Claim
73 words
A METHOD OF HERMETICALLY SEALING A ZINC-SULFIDE WAFER TO A METAL BODY COMPRISING THE STEPS, APPLYING TO A CLEAN SURFACE PORTION OF THE WAFER, BY CATHODIC SPUTTERING, A THIN LAYER OF AN ALLOY OF NICKEL, IRON, AND COBALT; APPLYING OVER THE ALLOY LAYER, BY CATHODIC SPUTTERING, A THIN LAYER OF PLATINUM; APPLYING OVER THE PLATINUM LAYER, BY CATHODIC SPUTTERING, A THIN LAYER OF GOLD; AND SOLDERING THE SOCOATED WAFER TO THE METAL BODY.
Claim 3
Independent Claim
75 words
A METHOD OF JOINING TWO FERRITE BODIES TOGETHER COMPRISING THE STEPS, APPLYING TO CLEANED SURFACES OF EACH OF SAID BODIES, BY CATHODIC SPUTTERING, A THIN LAYER OF A FIRST METAL SELECTED FROM THE GROUP CONSISTING OF MO, W, MN, FE, CO, NI AND ALLOYS THEREOF; APPLYING OVER THE FIRST METAL LAYER, BY CATHODIC SPUTTERING, THIN LAYER APPLYING OVER THE PLATINUM LAYER, BY CATHODIC SPUTTERING, A THIN GOLD LAYER; AND THEREAFTER FUSION JOINING THE GOLD LAYERS.
Claim 4
Independent Claim
75 words
A METHOD OF JOINING TWO FERRITE BODIES TOGETHER COMPRISING THE STEPS, APPLYING TO CLEANED SURFACES OF EACH OF SAID BODIES, BY CATHODIC SPUTTERING, A THIN LAYER OF A FIRST METAL SELECTED FROM THE GROUP CONSISTING OF MO, W, MN, FE, CO, NI AND ALLOYS THEREOF; APPLYING OVER THE FIRST METAL LAYER, BY CATHODIC SPUTTERING, THIN LAYER APPLYING OVER THE PLATINUM LAYER, BY CATHODIC SPUTTERING, A THIN GOLD LAYER; AND THEREAFTER FUSION JOINING THE GOLD LAYERS.
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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) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |