Claims
- 1. A composite comprising:
- (a) a substrate of glass or glass-ceramic having one or more differentially etchable components, the crystals of said glass-ceramic having an average size less than about 5 microns, and said substrate having an etched surface resulting from the differential etching of said surface; the etched surface on said substrate extending to a depth of between about 500-4000 .ANG. with interconnected pores of relatively uniform diameters of about 50-30,000.ANG. relatively homogeneously dispersed throughout the etched surface; and
- (b) a non-stick, heat resistant resin bonded to said etched surface through diffusion-type adhesive interaction on a molecular scale, said resin having a thickness of at least about 15 microns.
- 2. The composite of claim 1 wherein the non-stick, heat resistant resin ranges from about 15 to 30 microns in thickness.
- 3. The composite of claim 1 wherein the substrate is a glass-ceramic with pores of relatively uniform diameters of about 0.05-1 micron.
- 4. The composite of claim 1 wherein the non-stick, heat resistant resin is fused.
- 5. The composite of claim 1 wherein the substrate is a phase separable glass.
- 6. The composite of claim 5 wherein the substrate is a borosilicate glass.
- 7. The composite of claim 1 wherein the non-stick, heat resistant resin coating contains a preponderant amount of polytetrafluorethylene.
- 8. The composite of claim 7 wherein the coating is substantially entirely polytetrafluoroethylene.
- 9. The composite of claim 1 wherein said substrate is bonded to a metal base.
- 10. The composite of claim 9 wherein the substrate is phase separable glass.
Parent Case Info
This application is a continuation-in-part application of Ser. No. 690,172, filed Jan. 10, 1985, now abandoned.
US Referenced Citations (8)
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
690172 |
Jan 1985 |
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