Semiconductor device manufacturing: process – Making device or circuit emissive of nonelectrical signal
Reexamination Certificate
2005-10-25
2005-10-25
Tran, Minhloan (Department: 2826)
Semiconductor device manufacturing: process
Making device or circuit emissive of nonelectrical signal
C257S099000
Reexamination Certificate
active
06958250
ABSTRACT:
A light-emitting diode (LED) encapsulation material and manufacturing process comprising a photo-sensitive polymer constituting at least one of an Oligomer or a reactive Monomer, and a Photoinitiator. After a LED chip encapsulation, the photo-sensitive polymer is exposed to visible light or ultraviolet light, or electron beam, free of infrared rays, thereby triggering a free radical polymerization reaction of the photo-sensitive polymer, and rapid curing thereof under room temperature, eliminating the need for heating in a furnace during encapsulation manufacturing process of the light-emitting diode, while prompting rapid curing thereof, and thereby enhancing production efficiency.
REFERENCES:
patent: 4317862 (1982-03-01), Honda et al.
patent: 6018167 (2000-01-01), Oota
patent: 6114090 (2000-09-01), Wu et al.
patent: 2001/0026011 (2001-10-01), Roberts et al.
Dickey Thomas L.
Tran Minhloan
Troxell Law Office PLLC
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