Composite white pigment, photoresist material comprising the pigment and use thereof
US9835946B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Mar 23, 2016 |
| Grant date | Dec 5, 2017 |
| Priority date | — |
| Expiry date | Mar 23, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/004
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed are a composite white pigment and a photoresist material. The composite white pigment includes particles, each of the particles includes an inner core including a non-white pigment and an outer layer including a white pigment and coating the inner core. The photoresist material includes the following components: 5 to 15 parts by weight of a photosensitizing agent, 5 to 15 parts by weight of a dispersant, 50 to 80 parts by weight of a solvent, and 5 to 15 parts by weight of the composite white pigment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.