Viratec Thin Films, Inc.
31Patents
0Active
31Granted
37Portfolio score
Filing activity: Aug 24, 1989 → Jan 19, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5091244A | Electrically-conductive, light-attenuating antireflection coating | Emerging Cross-Sectional Technologies | 105 | Expired |
| US5183700A | Solar control properties in low emissivity coatings | Emerging Cross-Sectional Technologies | 81 | Expired |
| US5147125A | Multilayer anti-reflection coating using zinc oxide to provide ultraviolet blocking | Physics | 78 | Expired |
| US5579162A | Antireflection coating for a temperature sensitive substrate | Chemistry; Metallurgy | 75 | Expired |
| US5651723A | Method and apparatus for cleaning substrates in preparation for deposition of thin film coatings | Electricity | 57 | Expired |
| US5372874A | DC reactively sputtered optical coatings including niobium oxide | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5105310A | DC reactively sputtered antireflection coatings | Physics | 55 | Expired |
| US5990984A | Coated polymer substrate with matching refractive index and method of making the same | Physics | 52 | Expired |
| US5407733A | Electrically-conductive, light-attenuating antireflection coating | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5450238A | Four-layer antireflection coating for deposition in in-like DC sputtering apparatus | Chemistry; Metallurgy | 37 | Expired |
| US5200049A | Cantilever mount for rotating cylindrical magnetrons | Electricity | 31 | Expired |
| US5100527A | Rotating magnetron incorporating a removable cathode | Electricity | 28 | Expired |
| US6353501B1 | Display panel filter connection to a display panel | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5725746A | Shielding for arc suppression in rotating magnetron sputtering systems | Electricity | 25 | Expired |
| US5470452A | Shielding for arc suppression in rotating magnetron sputtering systems | Electricity | 25 | Expired |
| US5106474A | Anode structures for magnetron sputtering apparatus | Electricity | 24 | Expired |
| US5772861A | System for evaluating thin film coatings | Chemistry; Metallurgy | 20 | Expired |
| US5620572A | Method and apparatus for thin film coating an article | Electricity | 18 | Expired |
| US6469685B1 | Display panel filter and method of making the same | Electricity | 17 | Expired |
| US5812405A | Three variable optimization system for thin film coating design | Physics | 17 | Expired |
| US5489369A | Method and apparatus for thin film coating an article | Electricity | 15 | Expired |
| US5571393A | Magnet housing for a sputtering cathode | Electricity | 14 | Expired |
| US5620577A | Spring-loaded mount for a rotatable sputtering cathode | Electricity | 11 | Expired |
| US5688389A | Method and apparatus for thin film coating an article | Electricity | 11 | Expired |
| US5022726A | Magnesium film reflectors | Emerging Cross-Sectional Technologies | 10 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.