Sheet for optical-semiconductor element encapsulation and...

Details Sheet for optical-semiconductor element encapsulation and... Sheet for optical-semiconductor element encapsulation and...

2007-05-22

2007-05-22

Nhu, David (Department: 2818)

Active solid-state devices (e.g., transistors, solid-state diode

Heterojunction device

Heterojunction formed between semiconductor materials which...

C257S201000, C257S289000, C257SE33004, C257S073000

Reexamination Certificate

active

11098420

ABSTRACT:
The invention provides a sheet for optical-semiconductor element encapsulation, which has a multilayer structure including at least two resin layers. The at least two resin layers include: (A) an outermost resin layer (layer A) that is to be brought into contact with one or more optical semiconductor elements; and (B) a resin layer (layer B) disposed on the layer A and having a lower refractive index than that of the layer A. Also disclosed is a process for producing an optical semiconductor device using the sheet.

REFERENCES:
patent: 6707247 (2004-03-01), Murano
patent: 7082244 (2006-07-01), Kawamonzen et al.
patent: 2002/0185966 (2002-12-01), Murano
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patent: 2001-203392 (2001-07-01), None
patent: 2003-249510 (2003-09-01), None
European Search Report dated Aug. 12, 2005.

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