Adhesive bonding and miscellaneous chemical manufacture – Differential fluid etching apparatus – With microwave gas energizing means
Patent
1990-12-07
1992-07-28
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Differential fluid etching apparatus
With microwave gas energizing means
156584, 264335, 164131, 269 21, 279 3, 414627, B32B 3500
Patent
active
051338246
ABSTRACT:
A flexible product, more particularly an information-carrying disc, is removed from a carrier plate, more particularly a mold, by creating a partial vacuum at the side of the product facing away from the carrier plate. While the product is being displaced in a direction facing away from the carrier plate under the influence of the partial vacuum, the product is guided in such a way that it is displaced over the greatest distance at two opposite ends and the displacement of the parts of the product situated between these ends decreases gradually towards the center of the product.
REFERENCES:
patent: 2730370 (1956-01-01), Brewster
patent: 4301099 (1981-11-01), Broeksema et al.
patent: 4381964 (1983-05-01), Lock
patent: 4449916 (1984-05-01), Ito et al.
patent: 4603867 (1986-08-01), Babb et al.
Huberts Petrus A. A.
Wouters Henricus H. B.
Ball Michael W.
Osele Mark A.
Philips and Du Pont Optical Company
Treacy David R.
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