Plastic and nonmetallic article shaping or treating: processes – Carbonizing to form article – Agglomeration or accretion
Patent
1979-04-23
1981-02-10
Lowe, James B.
Plastic and nonmetallic article shaping or treating: processes
Carbonizing to form article
Agglomeration or accretion
264221, 264297, 264317, B29C 102
Patent
active
042501270
ABSTRACT:
Composite electron microscope grids for support of specimens and suitable for energy dispersive X-ray analysis are fabricated from an etched surfaced mold which is sacrificed after the grid casting. Preferably, the mold is made from a material with a different solubility or chemical resistance than the composite material forming the grid so that the mold can simply be dissolved after use. The mold itself is preferably etched using a photoresistive process for precisely etching the desired grid structure into the mold material. The mold process for making the grid can be utilized for molding other types of micro-components.
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patent: 3438127 (1969-04-01), Lehtonen
patent: 3480708 (1969-11-01), St. Clair
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patent: 4118553 (1978-10-01), Buckethal et al.
patent: 4169119 (1979-09-01), Covington
"A Self-Releasing, Disposable Mold Fabrication Process", IBM Technical Disclosure Bulletin, vol. 7, No. 5, p. 403, Oct. 1964.
Kundrath Michael R.
Warren John B.
Connecticut Research Institute, Inc.
Lowe James B.
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