| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent foreign matter from being generated in rubbing processing. <P>SOLUTION: Rubbing processing is performed by carrying a long polymer film 32 that includes a polymer layer 31 and a supporting body 15 for supporting the polymer layer 31, and by rubbing the polymer layer 31 with a rubbing roller 35. The rubbing roller 35 has a peripheral surface made of a metal. The rubbing roller includes a roller body 35b and a rotating shaft 35a provided at a center of a circular section of the roller body 35b. The peripheral surface of the roller body 35b includes ridge portions 61 and valley portions 62 formed alternately along a longitudinal direction of the rotating shaft 35a. The ridge portions 61 and the valley portions 62 extend substantially in a circumferential direction, respectively. A pitch Pm between the ridge portions 61 is within the range of 10 μm or more and 500 μm or less. Through the rubbing processing, the polymer layer 31 is made into an orientation layer 14, and an oriented film 11 is thereby obtained. <P>COPYRIGHT: (C)2013,JPO&INPIT |
