Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1988-02-29
1989-06-06
Sikes, William L.
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
350 9630, 427160, G02B 600, G02B 610
Patent
active
048366463
ABSTRACT:
The present invention pertains to a flexible organic polymeric optical fiber core having an adherent flexible organic polymer cladding on the outer surface. More particularly, the invention relates to an organic polymeric optical fiber having a polyureasiloxane copolymer, polyurethane-siloxane copolymer, or polyurethaneurea-siloxane copolymer cladding for in vivo use in the tissue of a living mammal, preferably a human being. In addition to compatibility in live tissue and body fluids, the fiber must be capable of repeatedly being deformed in a small bend radius without losing the ability to transmit light. The clad optical fibers useful to measure levels of components (e.g. pH, oxygen, carbon dioxide) in living, moving tissue, such as the heart or lungs.
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patent: 4621113 (1986-11-01), Collins
patent: 4631329 (1986-12-01), Gornowitcz
A. D. Pearson et al., "Fiber Optics," Kirk-Othmer: Encyclopedia of Chemical Technology, 3rd Ed., vol. 10, (1980), pp. 125 to 147.
A. C. Levy, "Optical Fibers," Encyclopedia of Polymer Science and Engineering, vol. 7, pp. 1 to 15, (1986).
F. H. Ulrich, "Urethane Polymers," Kirk-Othmer: Encyclopedia of Chemical Technology, vol. 23, (1983), pp. 576-608.
J. E. McGrath, "Polyureasiloxane Copolymers", Chemical Abstracts, vol. 106, (1987), 67737.
C. G. Gebelein, "Prosthetic and Medical Devices," Kirk-Othmer Encylopedia of Chemical Technology, 3rd Ed., vol. 19, (1982), pp. 275-313.
Wong et al., "Structure Property Relationships of Transparent Cycloaliphatic Polyurethane Elastomers," 186th Annual National Chemical Society (Proceedings), Washington, D.C., (1983).
Collins G. Robert
Parker Theodore L.
Sikes William L.
The Dow Chemical Company
Ullah Akm E.
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