Optical fiber encapsulation techniques

Details Optical fiber encapsulation techniques Optical fiber encapsulation techniques

G - Physics

02

B

G02B 6/44 (2006.01) B29D 11/00 (2006.01) B29C 51/10 (2006.01)

Patent

CA 2161987

A method for encapsulating optical fibers (26, FIG. 2) comprises the steps of bonding optical fiber to a first surface of a rigid flat member (17) and placing the flat member in a substantially air-tight chamber (10, FIG. 1). An encapsulating sheet(13) is located in the air-tight chamber, such that it faces the flat member. The air pressure on the flat member is then made to be significantly lower than the air pressure on the encapsulating sheet, thereby to cause the encapsulating sheet (13) to press against the flat member (17, FIG. 3). The encapsulating sheet is made of aflexible flame-resistant material that maintains its structural integrity and does not melt or ignite at temperatures of at least two hundred degrees Centigrade. For example, the encapsulating sheet may be of Kapton (a trademark), doped Mylar (a trademark) or aluminum foil. The encapsulating sheet (13) is bonded to the flat member by an adhesive (31, FIG. 2) so that, after the sheet has been pressed against the optical fibers (26), it thereafter permanently supports each optical fiber in its assigned position.

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