Stock material or miscellaneous articles – Hollow or container type article
Patent
1995-04-13
1997-04-08
Ryan, Patrick
Stock material or miscellaneous articles
Hollow or container type article
428 344, 428 76, 428 67, 428 70, B29D 2200, A47G 1922, B32B 104
Patent
active
056185944
ABSTRACT:
A semiconductor protection tube is a ceramic tube with a layer of silicon carbide covering at least a portion of the tube adjacent an open front end of the tube and extending forward of the open end to form a hollow, closed-end tip. The protection tube is formed by providing the ceramic tube, inserting a mandrel through the tube to extend forward of the front end, and depositing silicon carbide by chemical vapor deposition over at least a front portion of the ceramic tube and over the forward-extending portion of the mandrel. Subsequent removal of the mandrel completes the production of the protection tube.
REFERENCES:
patent: 5315092 (1994-05-01), Takahashi et al.
patent: 5374412 (1994-12-01), Pickering et al.
Burns Lee E.
Desai Hemandt D.
Taylor Raymond L.
Tulloch Kenneth F.
CVD Incorporated
Lam Cathy F.
Nacker Wayne E.
Ryan Patrick
White Gerald K.
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