Optics: image projectors – Methods
Reexamination Certificate
2008-09-02
2008-09-02
Dowling, William C. (Department: 2851)
Optics: image projectors
Methods
C083S039000, C700S109000
Reexamination Certificate
active
11067916
ABSTRACT:
Aspects of the invention can provide a manufacturing method for fine structure elements having a first flat portion forming step of forming an upper flat surface serving as a first flat portion on a substrate with a flat cutting tool serving as a cutting section a second flat portion forming step of cutting the upper flat surface serving as the first flat portion by a predetermined depth and forming a lower flat portion serving as a second flat portion with the flat cutting tool serving as the cutting section, a refractive surface forming step of forming a slope serving as a refractive surface having a predetermined angle with respect to the lower flat surface serving as the second flat portion by the flat cutting tool serving as the cutting section.
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Dowling William C.
Oliff & Berridg,e PLC
Seiko Epson Corporation
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