US3100339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making composite bodies
Assignee: General Electric Co
•
Filing: 1958-06-11
•
Granted: 1963-08-13
•
Expires: 1978-06-11
Abstract
No abstract record available.
Inventors
- 👤 Ralph J Bondley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:49
CPC Classifications
C; C03; C03C; C03C27/00; C03C27/04; C03C27/042; C03C27/046; C04; C04B; C04B35/00; C04B35/622; C04B35/626; C04B35/63; C04B35/632; C04B35/634; C04B35/63404; C04B35/63416; C04B37/00; C04B37/02; C04B37/023; C04B37/026; C04B2235/00; C04B2235/02; C04B2235/50; C04B2235/54; C04B2235/5418; C04B2235/5436; C04B2235/65; C04B2235/656; C04B2235/6567; C04B2235/658; C04B2235/6581; C04B2237/00; C04B2237/02; C04B2237/12; C04B2237/122; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/341; C04B2237/40; C04B2237/408; C04B2237/50; C04B2237/59; C04B2237/592; C04B2237/70; C04B2237/704; C04B2237/708; C04B2237/72; C04B2237/76; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
229 words
THE METHOD OF FORMING A HERMETIC BOND CAPABLE OF WITHSTANDING HIGH TEMPERATURES BETWEEN A QUARTZ MEMBER AND A METAL MEMBER WHICH COMPRISES APPLYING A THIN LAYER OF A POWDERED METAL HYDRIDE AND A LOW-MELTING POINT DUCTILE SOLDER TO THE SURFACE OF THE QUARTZ MEMBER TO BE BONDED, THE METAL OF THE HYDRIDE BEING SELECTED FROM THE GROUP CONSISTING OF ZIRCONIUM, TITANIUM AND MIXTURES THEREOF, THE LOW MELTING POINT DUCTILE SOLDER BEING SELECTED FROM THE GROUP CONSISTING OF INDIUM, THALLIUM, THIN, CADMIUM, ZINC AND GALLIUM AND THE METAL MEMBER BEING SELECTED FRM THE GROUP CONSISTING OF SILVER, GOLD AND COPPER, THE COMBINATIONS OF THALLIUM WITH GOLD AND COPPER AND CADMIUM WITH COPPER BEING EXCLUDED, HEATING THE COATED MEMBER IN A NONREACTIVE ATMOSPHERE TO DISSOCIATE THE HYDRIDE AND ALLOY THE LIBERATED METAL OF THE HYDRIDE AND THE SOLDER AND BOND THE COATING TO THE QUARTZ MEMBER, PLACING THE QUARTZ MEMBER WITH THE COATED AREA IN JUXTAPOSITION TO THE METAL MEMBER, HEATING THE MEMBERS TO ALLOY THE STRUCTURAL MEMBER WITH LOWMELTING-POINT DUCTILE SOLDER, LIMITING THE THICKNESS OF THE DUCTIBLE SOLDER SUFFICIENTLY TO PROVIDE ONLY A SMALLY AMOUNT OF FREE DUCTILE SOLDER RELATIVE TO THE STRUCTURAL MEMBER AVAILABLE FOR ALLOYING THEREWITH TO INSURE THE FORMATION DURING THE SECOND HEATING STEP OF ONLY AN ALPHA-PHASE ALLOY TO PROVIDE A BOND CAPABLE OF WITHSTANDING TEMPERATURES SUBSTANTIALLY HIGHER THAN THE MELTING POINT OF THE DUCTILE SOLDER.
Claim 2
Independent Claim
229 words
THE METHOD OF FORMING A HERMETIC BOND CAPABLE OF WITHSTANDING HIGH TEMPERATURES BETWEEN A QUARTZ MEMBER AND A METAL MEMBER WHICH COMPRISES APPLYING A THIN LAYER OF A POWDERED METAL HYDRIDE AND A LOW-MELTING POINT DUCTILE SOLDER TO THE SURFACE OF THE QUARTZ MEMBER TO BE BONDED, THE METAL OF THE HYDRIDE BEING SELECTED FROM THE GROUP CONSISTING OF ZIRCONIUM, TITANIUM AND MIXTURES THEREOF, THE LOW MELTING POINT DUCTILE SOLDER BEING SELECTED FROM THE GROUP CONSISTING OF INDIUM, THALLIUM, THIN, CADMIUM, ZINC AND GALLIUM AND THE METAL MEMBER BEING SELECTED FRM THE GROUP CONSISTING OF SILVER, GOLD AND COPPER, THE COMBINATIONS OF THALLIUM WITH GOLD AND COPPER AND CADMIUM WITH COPPER BEING EXCLUDED, HEATING THE COATED MEMBER IN A NONREACTIVE ATMOSPHERE TO DISSOCIATE THE HYDRIDE AND ALLOY THE LIBERATED METAL OF THE HYDRIDE AND THE SOLDER AND BOND THE COATING TO THE QUARTZ MEMBER, PLACING THE QUARTZ MEMBER WITH THE COATED AREA IN JUXTAPOSITION TO THE METAL MEMBER, HEATING THE MEMBERS TO ALLOY THE STRUCTURAL MEMBER WITH LOWMELTING-POINT DUCTILE SOLDER, LIMITING THE THICKNESS OF THE DUCTIBLE SOLDER SUFFICIENTLY TO PROVIDE ONLY A SMALLY AMOUNT OF FREE DUCTILE SOLDER RELATIVE TO THE STRUCTURAL MEMBER AVAILABLE FOR ALLOYING THEREWITH TO INSURE THE FORMATION DURING THE SECOND HEATING STEP OF ONLY AN ALPHA-PHASE ALLOY TO PROVIDE A BOND CAPABLE OF WITHSTANDING TEMPERATURES SUBSTANTIALLY HIGHER THAN THE MELTING POINT OF THE DUCTILE SOLDER.
References Cited (Backward Citations)
US2322507A
Cited
US2163409A
Cited
GB591343A
Cited
US2496346A
Cited
US2512455A
Cited
US2570248A
Cited
US2650683A
Cited
US2686958A
Cited
US2724892A
Cited
US2746140A
Cited
US2776472A
Cited
US2859512A
Cited
US2917140A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |