Claims
- 1. A casting resin formulation comprising:an epoxy resin; an isocyanurate siloxane; a filler material; a photo initiator; and a thermal initiator.
- 2. The casting resin formulation of claim 1 wherein the filler material has a grain size of less than 20 μm.
- 3. The casting resin formulation of claim 1 wherein the filler material is further characterized as being a quartz material.
- 4. The casting resin formulation of claim 2 wherein the grain size of the filler material is less than or equal to 15 μm.
- 5. The casting resin formulation of claim 1 wherein the epoxy resin is present in an amount ranging from about 15% to about 75% by weight.
- 6. The casting resin formulation of claim 1 wherein the siloxane is present in an amount ranging from about 0.2% to about 15% by weight.
- 7. The casting resin formulation of claim 1 wherein the filler material is present in an amount ranging from about 25% to about 85% by weight.
- 8. The casting resin formulation of claim 1 wherein the photo initiator is present in an amount ranging from about 0.01% to about 5% by weight.
- 9. The casting resin formulation of claim 1 wherein the thermal initiator is present in an amount ranging from about 0.01% to about 5% by weight.
- 10. The casting resin formulation of claim 1 wherein the epoxy resin is further characterized as being a cycloaliphatic epoxy resin.
- 11. The casting resin formulation of claim 1 wherein the grains of the filler material have a spherical shape.
- 12. The casting resin formulation of claim 1 wherein the photo initiator is further characterized as being a triarylsulfonium salt.
- 13. The casting resin formulation of claim 1 wherein the thermal initiator is further characterized as being a benzylthiolanium salt.
Priority Claims (1)
Number |
Date |
Country |
Kind |
19638630 |
Sep 1996 |
DE |
|
Parent Case Info
This is a divisional of Application Ser. No. 08/934,448, filed on Sep. 19, 1997 now U.S. Pat. No. 6,037,043.
US Referenced Citations (12)
Foreign Referenced Citations (2)
Number |
Date |
Country |
195 23 897 A1 |
Jun 1995 |
DE |
0 399 199 B1 |
Apr 1990 |
EP |