Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Nonresinous material only
Patent
1999-05-27
2000-08-15
Vargot, Mathieu D.
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Nonresinous material only
264 123, 264 27, 264157, 264325, 264332, B29D 1100
Patent
active
06103147&
ABSTRACT:
An apparatus and methods for manufacturing curved scintillation crystal detector plates uses hot forging of crystal material. Crystal material is brought to a temperature between its plastic temperature and its melting temperature, and it is pressed between a pair of dies having curved pressing surfaces. The heated crystal material may be a freshly-drawn ingot of crystal material, and the method for producing curved plates may include cutting the hot-forged ingot into individual plates.
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Bulson Donald
Saint-Gobain Industrial Ceramics, Inc.
Ulbrich Volker R.
Vargot Mathieu D.
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