液晶ポリマーフィルム

Japanese Patent JP4261540

B2

PCT No. PCT/US90/03394 Sec. 371 Date Dec. 12, 1991 Sec. 102(e) Date Dec. 12, 1991 PCT Filed Jun. 18, 1990 PCT Pub. No. WO90/15706 PCT Pub. Date Dec. 27, 1990.A flat and nearly mechanically isotropic liquid crystal polymer film (38) can be formed by laminating two continuous biaxially oriented films. A laminate is produced having two thin outer surface portions which are oriented in one direction, and a relatively thick inner portion oriented in a transverse direction. The film may also be formed by passing a polymer through a set of three tubular rotors (30) which are concentric and having surfaces which are concentric and define inner and outer annular polymer flow channels (33, 35) between them. These rotors may rotate in the same or opposite directions. Another way to make the film is with a slit-type die (90) through which a polymer flows in one direction, while a moving band (91) passes continuously in a transverse direction. These ordered-polymer films are useful, for example, in the production of printed circuit boards.

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Andrew Shee Harvey
Richard W. Lucignia
Leslie S. Rubin

JP2005305778A

April 30, 2009

October 20, 2005

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Foster-Mirror Inc.

B29C48/10; B29C48/305; B29C48/33; B29C48/34; B29C48/92; B29C55/00; B29C55/02; B29C55/26; B29C55/28; B29D7/01; B32B7/02; B32B7/04; B32B27/00; C08J5/18; C08L67/00; C08L79/06; C08L101/12; C09K19/38; H05K1/03; B29K79/00; B29K81/00; B29K101/12; B29L7/00; B29L9/00

JP53047460A
JP60035246B1
JP62100577A
JP1287141A
JP63199622A
JP63173620A
JP62081407A
JP51090373U
JP51017978B1
JP298423A
JP289617A
JP63296920A
JP6295213A
JP6374622A

Aoyama Aoi
Masaki Yano

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