Silicon network polymers
US4921321A · kind A · utility
21Cited by
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11Claims
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Assignee
Inventor
Key dates
| Filing date | Apr 27, 1989 |
| Grant date | May 1, 1990 |
| Priority date | — |
| Expiry date | Apr 27, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L21/32105
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A new class of silicon compounds having a high percentage of silicon atoms bonded to three other silicon atoms has been synthesized. These materials denominated polysilynes form smooth amorphous films which have quite useful properties. For example, photooxidation produces a refractive index change from 1.70 to 1.45. Similarly, photooxidation also produces a substantial change in solubility. Thus the materials are useful for the fabrication of optical and electronic devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.