Inventor
JEFFRIES III ALFRED T
US26 patents
⚠️ This page may combine multiple inventors who share the name “JEFFRIES III ALFRED T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OCG MICROELECTRONIC MATERIALS
16 patentsUS5346799ASep 13, 1994
Novolak resins and their use in radiation-sensitive compositions wherein the novolak resins are made by condensing 2,6-dimethylphenol, 2,3-dimethylphenol, a para-substituted phenol and an aldehyde
OCG MICROELECTRONIC MATERIALS22 citations89
US5283374AFeb 1, 1994
Selected phenolic derivatives of 4-(4-hydroxyphenyl)-cyclohexanone and their use as sensitivity enhancers for radiation sensitive mixtures
OCG MICROELECTRONIC MATERIALS19 citations82
US5366843ANov 22, 1994
Coated substrate utilizing composition including selected phenolic derivatives of 4-(4-hydroxyphenyl)-cyclohexanone as sensitivity enhancers
OCG MICROELECTRONIC MATERIALS7 citations74
US5278021AJan 11, 1994
O-naphthoquinone diazide sulfonyl esters of 4-(4-hydroxyphenyl)cyclohexanone phenolic derivatives with associated radiation sensitive mixtures and articles
OCG MICROELECTRONIC MATERIALS7 citations74
US5196289AMar 23, 1993
Selected block phenolic oligomers and their use in radiation-sensitive resist compositions
OCG MICROELECTRONIC MATERIALS15 citations73
US5346808ASep 13, 1994
Positive image formation utilizing o-quinonediazide composition including selected phenolic derivatives of 4-(4-hydroxyphenyl)-cyclohexanone
OCG MICROELECTRONIC MATERIALS4 citations63
US5312720AMay 17, 1994
Process of developing a positive image utilizing o-naphthoquinone diazide radiation-sensitive esters of phenolic derivatives of 4-(4-hydroxyphenyl)cyclohexanone
OCG MICROELECTRONIC MATERIALS2 citations63
US5302688AApr 12, 1994
Selected block phenolic oligomers and their use in phenolic resin compositions and in radiation-sensitive resist compositions
OCG MICROELECTRONIC MATERIALS5 citations62
US5234795AAug 10, 1993
Process of developing an image-wise exposed resist-coated substrate
OCG MICROELECTRONIC MATERIALS6 citations62
US5235022AAug 10, 1993
Selected block copolymer novolak binder resins
OCG MICROELECTRONIC MATERIALS5 citations62
US5232819AAug 3, 1993
Selected block phenolic oligomers and their use in phenolic resin compositions and in radiation-sensitive resist compositions
OCG MICROELECTRONIC MATERIALS4 citations62
US5024921AJun 18, 1991
Thermally stable light-sensitive compositions with o-quinone diazide and phenolic resin used in a method of forming a positive photoresist image
OCG MICROELECTRONIC MATERIALS5 citations62
US5220073AJun 15, 1993
Selected trihydroxybenzophenone compounds
OCG MICROELECTRONIC MATERIALS1 citations52
US5219714AJun 15, 1993
Selected trihydroxybenzophenone compounds and their use in photoactive compounds and radiation sensitive mixtures
OCG MICROELECTRONIC MATERIALS1 citations52
US5196517AMar 23, 1993
Selected trihydroxybenzophenone compounds and their use as photoactive compounds
OCG MICROELECTRONIC MATERIALS0 citations52
US5188921AFeb 23, 1993
Selected block copolymer novolak binder resins in radiation-sensitive resist compositions
OCG MICROELECTRONIC MATERIALS1 citations52
OLIN HUNT SPECIALTY PROD
7 patentsUS4837121AJun 6, 1989
Thermally stable light-sensitive compositions with o-quinone diazide and phenolic resin
OLIN HUNT SPECIALTY PROD36 citations92
US4992356AFeb 12, 1991
Process of developing a radiation imaged product with trinuclear novolak oligomer having o-naphthoquinone diazide sulfonyl group
OLIN HUNT SPECIALTY PROD7 citations74
US4992596AFeb 12, 1991
Selected trinuclear novolak oligomers and their use in photoactive compounds and radiation sensitive mixtures
OLIN HUNT SPECIALTY PROD17 citations74
US4957846ASep 18, 1990
Radiation sensitive compound and mixtures with trinuclear novolak oligomer with o-naphthoquinone diazide sulfonyl group
OLIN HUNT SPECIALTY PROD18 citations74
US4970287ANov 13, 1990
Thermally stable phenolic resin compositions with ortho, ortho methylene linkage
OLIN HUNT SPECIALTY PROD8 citations73
US5019478AMay 28, 1991
Selected trihydroxybenzophenone compounds and their use in photoactive compounds and radiation sensitive mixtures
OLIN HUNT SPECIALTY PROD4 citations63
US4797345AJan 10, 1989
Light-sensitive 1,2-naphthoquinone-2-diazide-4-sulfonic acid monoesters of cycloalkyl substituted phenol and their use in light-sensitive mixtures
OLIN HUNT SPECIALTY PROD2 citations63