Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1992-03-04
1993-12-07
Ryan, Patrick J.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156283, 422 57, 422 58, 422102, 435299, 435805, 436810, B32B 3100
Patent
active
052680541
ABSTRACT:
Disclosed is a mounting structure incorporating an exposed micro-sample of a particulate dry solid of interest, including a discrete adhesive covered circular plastic disc having a uniform exposed mono-layer of the particulate solid adhered to the surface of the adhesive and a handle mounted to the opposite side of the disc to facilitate exposure and retrieval of the micro-sample to and from various reactive media. The disc, adhesive and handle portion mounting the disc are of transparent generally inert, polypropylene plastic and acrylic adhesive materials, which are chemically dissimiliar to and non-reactive with the particulate solid. Also disclosed is a method for preparing essentially identical such disc mounted micro-samples from plastic sheet material having an adhesive layer thereon wherein the plastic sheet is suspended under tension, a fine powdered solid is adhered to the adhesive surface by moving an elongated tool of circular cross-section back and forth along the tensioned sheet to adhere the mono-layer, following which the excess of the powdered solid is removed and discrete circular discs of the same predetermined area are cut to produce essentially an identical particulate micro-sample of known mass at the microgram level mounted on each such discrete circular disc.
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Dixon Merrick
Gausewitz Richard L.
Ryan Patrick J.
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