Optical waveguides – Noncyclindrical or nonplanar shaped waveguide
Reexamination Certificate
2007-11-20
2007-11-20
Leung, Quyen P (Department: 2874)
Optical waveguides
Noncyclindrical or nonplanar shaped waveguide
Reexamination Certificate
active
11391541
ABSTRACT:
A solid-state image pickup element comprises: a semiconductor substrate; a photoelectric converting portion formed in the semiconductor substrate; a reflective material portion comprising a hole portion wherein the hole portion is located on a surface, on an area in which the photoelectric converting portion is formed, of the semiconductor substrate, the reflective material portion being formed so as to cover a surface of the semiconductor substrate; and an optical waveguide that propagates incident light while confining the light, to guide the light to the photoelectric converting portion, wherein the optical waveguide is configured by a transparent film formed in the hole portion, the transparent film having a light guiding function.
REFERENCES:
patent: 7-45805 (1995-02-01), None
patent: 2002-118245 (2002-04-01), None
Raw Machine-Language Translation of JP 2002118245A , Feb. 1, 2007.
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