Etching a substrate: processes – Forming or treating optical article
Reexamination Certificate
2011-08-23
2011-08-23
Norton, Nadine G (Department: 1713)
Etching a substrate: processes
Forming or treating optical article
C438S689000, C385S129000
Reexamination Certificate
active
08002998
ABSTRACT:
A first main face of a substrate of a dielectric single crystal is etched to form recesses in the substrate. A second main face of the substrate is mechanically processed to form a slab, so that the recesses pass through the substrate to form through holes.
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Aoki Kenji
Hamajima Akira
Iwata Yuichi
Kondo Jungo
Mitomi Osamu
Burr & Brown
Dahimene Mahmoud
NGK Insulators Ltd.
Norton Nadine G
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