Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1997-10-20
1999-10-12
Loney, Donald
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
428172, 428178, 428188, 428428, 428447, B32B 300
Patent
active
059652373
ABSTRACT:
An improved microstructure for micro-scale fluid handling, processing and investigation comprises a support element and a microstructured element. The support element has a substantially even support face. The microstructured element has a microstructured face provided both with substantially even portions and with recessed portions. The even portions are substantially coplanar to a common even surface. The recessed portions are defined between the even portions adjacent thereto and recessed from the common even surface. The support face is located substantially adjacent to the microstructured face and cooperates with the recessed portions thereof to define a microchannel system. At least the microstructured element is made and formed of poly(dimethylsiloxane) polymer by applying a prepolymer or a precursor thereof onto a corresponding master element, and then curing the material.
REFERENCES:
patent: 5344690 (1994-09-01), White et al.
patent: 5534328 (1996-07-01), Ashmead et al.
Bruin Gerardus Jacobus Maria
Effenhauser Carlo Stefan
Helg Andreas
Paulus Aran
Kalinchak Stephen G.
Loney Donald
Novartis AG
Wissing William K.
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