Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Making electrical device
Patent
1991-03-04
1993-04-27
Hamilton, Cynthia
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Making electrical device
430315, 430324, 430330, 430327, 430935, G03F 716, G03F 730, G03F 738, G03F 740
Patent
active
052061167
ABSTRACT:
A light sensitive composition and process for using said composition. The light sensitive composition comprises a phenolic resin, a multifunctional epoxy or vinyl compound, a photoinitiator and a thermal crosslinking agent. The process for using the same comprises application of the light sensitive composition to a substrate, drying of the same, exposing the dried coating to activating radiation, partially heat curing the coating, developing the coating and thermally curing the developed image. The composition is especially useful as a solder mask.
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Cheetham Kevin J.
Daniels George R. E.
Oddi Michael J.
Rodriguez Stephen S.
Goldberg Robert L.
Hamilton Cynthia
Shipley Company Inc.
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