Patent US1287100A successfully refreshed from Google Patents.
Patent US3226822A successfully refreshed from Google Patents.
US3226822A
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Art of bonding ceramic to metal
Assignee: Varian Medical Systems Inc
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Filing: 1961-09-27
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Granted: 1966-01-04
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Expires: 1981-09-27
Abstract
No abstract record available.
Inventors
- 👤 Milton C Budde
- 👤 Frank J Zumaquero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:05
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/302; C04B37/00; C04B37/02; C04B37/023; C04B37/026; C04B41/45; C04B41/52; C04B41/80; C04B41/81; C04B41/89; C04B2235/00; C04B2235/65; C04B2235/656; C04B2235/6567; C04B2235/658; C04B2235/6582; C04B2235/6588; C04B2237/00; C04B2237/02; C04B2237/12; C04B2237/122; C04B2237/126; C04B2237/16; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/343; C04B2237/40; C04B2237/405; C04B2237/406; C04B2237/407; C04B2237/50; C04B2237/72; C04B2237/76; C04B2237/765; C04B2237/88; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12611; Y10T428/12771; Y10T428/12806; Y10T428/12812; Y10T428/12861; Y10T428/12903; Y10T428/1291
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
THE METHOD OF PRODUCING A HOMOGENOUS BOND BETWEEN A DIELECTRIC BODY FORMED OF METALLIC OXIDE HAVING A METALLIC SURFACE THEREON CONSISTING OF TWO OR MORE MATERIALS SELECTED FROM THE GROUP CONSISTING OF MOLYBEDENUM, MANGANESE, TUNGSTEN, RHENIUM, TITANIUM, TANTALUM, SILICON, THE OXIDES THEREOF, OR COMBINATIONS OF SAID MATERIALS AND/OR THEIR OXIDES, AND AN ASSOCIATED METALLIC BODY CONSISTING OF AN ALLOY OF COPPER AND NICKEL IN THE PROPORTION OF ABOUT 70% COPPER AND 30% NICKEL, COMPRISING THE STEPS OF INTERPOSING BETWEEN SAID METALLIC SURFACE AND THE ASSOCIATED METALLIC BODY A LAYER OF OXYGEN-FREE, HIGHCONDUCTIVITY COPPER, HEATING THE ASSEMBLY TO A LIQUIDUS TEMPERATURE AT WHICH THE PATTERN OF CRYSTAL ARRANGEMENT OF SAID OXYGEN-FREE, HIGH-CONDUCTIVITY COPPER FORMS A CONTINUATION OF THE PATTERN OF CRYSTAL ARRANGEMENT OF THE COPPER-NICKEL ALLOY, AND THEN COOLING THE ASSEMBLY SO FORMED.
Claim 2
Independent Claim
132 words
THE METHOD OF PRODUCING A HOMOGENOUS BOND BETWEEN A DIELECTRIC BODY FORMED OF METALLIC OXIDE HAVING A METALLIC SURFACE THEREON CONSISTING OF TWO OR MORE MATERIALS SELECTED FROM THE GROUP CONSISTING OF MOLYBEDENUM, MANGANESE, TUNGSTEN, RHENIUM, TITANIUM, TANTALUM, SILICON, THE OXIDES THEREOF, OR COMBINATIONS OF SAID MATERIALS AND/OR THEIR OXIDES, AND AN ASSOCIATED METALLIC BODY CONSISTING OF AN ALLOY OF COPPER AND NICKEL IN THE PROPORTION OF ABOUT 70% COPPER AND 30% NICKEL, COMPRISING THE STEPS OF INTERPOSING BETWEEN SAID METALLIC SURFACE AND THE ASSOCIATED METALLIC BODY A LAYER OF OXYGEN-FREE, HIGHCONDUCTIVITY COPPER, HEATING THE ASSEMBLY TO A LIQUIDUS TEMPERATURE AT WHICH THE PATTERN OF CRYSTAL ARRANGEMENT OF SAID OXYGEN-FREE, HIGH-CONDUCTIVITY COPPER FORMS A CONTINUATION OF THE PATTERN OF CRYSTAL ARRANGEMENT OF THE COPPER-NICKEL ALLOY, AND THEN COOLING THE ASSEMBLY SO FORMED.
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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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |