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Method of making an integral window hermetic fiber optic component

Patent ·
OSTI ID:870682
 [1];  [2];  [3];  [4]
  1. Miamisburg, OH
  2. Centerville, OH
  3. Hamilton, OH
  4. Bellbrook, OH
+ Show Author Affiliations

In the fabrication of igniters, actuators, detonators, and other pyrotechnic devices to be activated by a laser beam, an integral optical glass window is formed by placing a preform in the structural member of the device and then melting the glass and sealing it in place by heating at a temperature between the ceramming temperature of the glass and the melting point of the metal, followed by rapid furnace cooling to avoid devitrification. No other sealing material is needed to achieve hermeticity. A preferred embodiment of this type of device is fabricated by allowing the molten glass to flow further and form a plano-convex lens integral with and at the bottom of the window. The lens functions to decrease the beam divergence caused by refraction of the laser light passing through the window when the device is fired by means of a laser beam.

Research Organization:
EG & G MOUND APPLIED TECH
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-88DP43495
Assignee:
United States of America as represented by Department of Energy (Washington, DC)
Patent Number(s):
US 5573565
Application Number:
08/262,125
OSTI ID:
870682
Country of Publication:
United States
Language:
English

References (1)

Subject index journal October 1985

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