Method for making a microceramic optical shutter

Details Method for making a microceramic optical shutter Method for making a microceramic optical shutter

1997-02-12

1998-11-24

Mayes, Curtis

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 87, 156 8916, 156 8917, 156 8918, 156155, 156168, 264610, 359236, 359280, B32B 3126, G02B 2602

Patent

active

058401407

ABSTRACT:
A method of making a microceramic optical shutter includes forming a sacrificial stator member and inserting the sacrificial stator member into the bottom ceramic portion in the green state, a top ceramic portion is sintered into the bottom portion to form a unitary ceramic body structure. The sacrificial stator member is formed with a sacrificial fiber wound in a helical fashion which is removed by etching. After etching ferromagnetic material is filled into the cavity to provide a helical coil.

REFERENCES:
patent: 5683649 (1997-11-01), Chatterjee et al.
patent: 5708893 (1998-01-01), Furlani et al.
patent: 5739942 (1998-04-01), Furlani et al.

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