US3006069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of sealing a metal member to a ceramic member
Assignee: RCA Corp
•
Filing: 1957-05-23
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Granted: 1961-10-31
•
Expires: 1977-05-23
Abstract
No abstract record available.
Inventors
- 👤 James L Rhoads
- 👤 Berg Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:40
CPC Classifications
C; C04; C04B; C04B37/00; C04B37/02; C04B37/023; C04B37/026; C04B35/00; C04B35/622; C04B35/626; C04B35/63; C04B35/632; C04B35/636; C04B35/6365; H; H01; H01J; H01J5/00; H01J5/32; H01J5/40; C04B2235/00; C04B2235/02; C04B2235/50; C04B2235/54; C04B2235/5418; C04B2235/5427; C04B2235/60; C04B2235/604; C04B2237/00; C04B2237/02; C04B2237/12; C04B2237/122; C04B2237/123; C04B2237/124; C04B2237/125; C04B2237/126; C04B2237/127; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/343; C04B2237/50; C04B2237/62; C04B2237/70; C04B2237/708; C04B2237/72; C04B2237/76; C04B2237/765; C04B2237/78; C04B2237/86; H01J2893/00; H01J2893/0033; H01J2893/0034; H01J2893/0035; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49147; Y10T29/49149
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
THE METHOD OF SEALING A METAL MEMBER TO A CERAMIC MEMBER COMPRISING THE STEPS OF: SILK-SCREENING ONTO ONLY A PREDETERMINED SEAL AREA OF SAID CERAMIC MEMBER AT LEAST ONE UNIFORM LAYER OF A FIRST MIXTURE COMPOSED OF A POWDERED REFRACTORY METALIZING MATERIAL SELECTED FROM THE GROUP CONSISTING OF MO, W, MO-MN, MO-CU, AND MOO3, A SOLVENT, AND A BINDER, FIRING SAID CERAMIC MEMBER AND LAYER TO EVAPORATE SAID SOLVENT AND BINDER AND SINTER SAID METALIZING MATERIAL, SILK-SCREENING ONTO SAID SINTERED FIRST MIXTURE LAYER AT LEAST ONE UNIFORM LAYER OF A SECOND MIXTURE LAYER AT LEAST ONE UNIFORM LAYER SELECTED FROM THE GROUP CONSISTING OF NICKEL AND COPPER AND CAPABLE OF WETTING SAID METALIZING MATERIAL, A SOLVENT, AND A BINDER, DRYING SAID SECOND MIXTURE LAYER, APPLYING ONTO SAID SECOND MIXTURE LAYER AT LEAST ONE UNIFORM LAYER OF A HARD SOLDER CAPABLE OF WETTING SAID METAL AND SAID METAL MEMBER, PRESSING SAI METAL MEMBER INTO CONTACT WITH SAID SOLDER LAYER, AND HEATING SAID MEMBERS AND LAYERS TO A TEMPERATURE SUFFICIENT TO CAUSE SAID SOLDER LAYER TO FLOW AND SEAL SAID MEMBERS TOGETHER.
Claim 2
Independent Claim
180 words
THE METHOD OF SEALING A METAL MEMBER TO A CERAMIC MEMBER COMPRISING THE STEPS OF: SILK-SCREENING ONTO ONLY A PREDETERMINED SEAL AREA OF SAID CERAMIC MEMBER AT LEAST ONE UNIFORM LAYER OF A FIRST MIXTURE COMPOSED OF A POWDERED REFRACTORY METALIZING MATERIAL SELECTED FROM THE GROUP CONSISTING OF MO, W, MO-MN, MO-CU, AND MOO3, A SOLVENT, AND A BINDER, FIRING SAID CERAMIC MEMBER AND LAYER TO EVAPORATE SAID SOLVENT AND BINDER AND SINTER SAID METALIZING MATERIAL, SILK-SCREENING ONTO SAID SINTERED FIRST MIXTURE LAYER AT LEAST ONE UNIFORM LAYER OF A SECOND MIXTURE LAYER AT LEAST ONE UNIFORM LAYER SELECTED FROM THE GROUP CONSISTING OF NICKEL AND COPPER AND CAPABLE OF WETTING SAID METALIZING MATERIAL, A SOLVENT, AND A BINDER, DRYING SAID SECOND MIXTURE LAYER, APPLYING ONTO SAID SECOND MIXTURE LAYER AT LEAST ONE UNIFORM LAYER OF A HARD SOLDER CAPABLE OF WETTING SAID METAL AND SAID METAL MEMBER, PRESSING SAI METAL MEMBER INTO CONTACT WITH SAID SOLDER LAYER, AND HEATING SAID MEMBERS AND LAYERS TO A TEMPERATURE SUFFICIENT TO CAUSE SAID SOLDER LAYER TO FLOW AND SEAL SAID MEMBERS TOGETHER.
References Cited (Backward Citations)
US2139431A
Cited
US2520663A
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US2461878A
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US2462020A
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US2611040A
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US2808448A
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US2722496A
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US2776472A
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US2739375A
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US2770669A
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US2906006A
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US2800710A
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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) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |