Claims
- 1. A semiconductor package, comprising:a substrate; a semiconductor device supported by said substrate; a environmental control materials carrier assembly supported by said substrate; and a top cover supported by said substrate to enclose said semiconductor device and said environmental control materials carrier assembly.
- 2. The semiconductor package of claim 1, said environmental control material carrier assembly secured to said substrate by means of an adhesive.
- 3. The semiconductor package of claim 1, said environmental control material carrier assembly fabricated in a lead-frame with break away tabs attaching each said carrier assembly to said lead-frame.
- 4. The semiconductor package of claim 1, said semiconductor device comprising a spatial light modulator.
- 5. The semiconductor package of claim 4, said spatial light modulator comprising a micromirror.
- 6. The semiconductor package of claim 1, further comprising an aperture having a peripheral opaque light shield area and a center perture area.
- 7. The semiconductor package of claim 6, wherein said aperture is separate from said cover glass.
- 8. The semiconductor package of claim 6, said aperture located to prevent light from reaching surfaces around a perimeter of semiconductor device.
- 9. The semiconductor package of claim 1 wherein said cover is glass with an anti-reflective coating.
- 10. A semiconductor package comprising:a substrate a semiconductor device supported by said substrate: a environmental control materials carrier assembly supported by said substrate, said environmental control materials carrier assembly comprising: a frame having at least two slots; and environmental control material mounted in at least one of said slots; and a top cover supported by said substrate to enclose said semiconductor device and said environmental control materials carrier assembly.
- 11. The semiconductor package of claim 10, said environmental control material carrier assembly frame having inside structural walls with openings to provide paths for gases and/or liquids inside said package to flow between said semiconductor device and said getter material.
- 12. The semiconductor package of claim 10, said slots having mesh structures for holding said environmental control material.
- 13. The semiconductor package of claim 10, said environmental control material comprising moisture-collecting desiccants.
- 14. The semiconductor package of claim 10, said environmental control material comprising adhesive outgassing desiccants.
- 15. The semiconductor package of claim 10, said environmental control material comprising lubricant storage reservoirs.
- 16. The semiconductor package of claim 10, said environmental control material comprised of at least two materials selected from a group consisting of: moisture collecting desiccants, adhesive outgassing absorbing desiccants, and lubricant storage reservoirs.
- 17. The semiconductor package of claim 10, said environmental control material comprised of at least one material selected from a group consisting of: moisture collecting desiccants, adhesive outgassing absorbing desiccants, and lubricant storage reservoirs.
- 18. A semiconductor package, comprising:a substrate; a semiconductor device supported by said substrate; a environmental control materials carrier assembly supported by said substrate; environmental control material supported by said environmental control materials carrier assembly; and a top cover supported by said substrate to enclose said semiconductor device and said environmental control materials carrier assembly.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application claims priority under 35 USC §119(e)(1) of provisional application No. 60/249,150 filed Nov. 16, 2000.
This invention is related to concurrently filed U.S. Patent Applications entitled “Electro-Optical Package with Drop-in Aperture,” TI-28482 entitled “Enclosure for MEMS Device,” and U.S. Pat. No. 5,331,454 titled “Low Reset Voltage Process for DMD,” the contents of which are hereby incorporated by reference in this application.
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Name |
Date |
Kind |
5331454 |
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Jul 1994 |
A |
6024801 |
Wallace |
Feb 2000 |
A |
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Jun 2001 |
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Entry |
U.S. patent application Ser. No. 09/990,952, Liu et al., filed Nov. 9, 2001. |
U.S. patent application Ser. No. 09/991,446, Liu, filed Nov. 9, 2001. |
Provisional Applications (1)
|
Number |
Date |
Country |
|
60/249150 |
Nov 2000 |
US |