发明名称 |
Verfahren zur Herstellung von dreidimensionalen Polyimid-Wellenleitern. |
摘要 |
This invention provides a process for producing a three-dimensional polyimide optical waveguide, which comprises: (I) irradiating a polyamic acid film with a laser beam while converging the laser beam at an inside portion of the film and relatively moving the light convergence point, the polyamic acid film containing: (a) a polyamic acid obtained from a tetracarboxylic dianhydride and a diamine; and (b) per 100 parts of the polyamic acid, from 0.5 part by weight to less than 10 parts by weight of a specific 1,4-dihydropyridine derivative represented by formula (I): <CHEM> and then, (II) heating the polyamic acid film to imidize the polyamic acid, thereby obtaining an optical waveguide having a continuous core region where the refraction index has been changed, in the thus formed polyimide film. <IMAGE> |
申请公布号 |
DE60316096(D1) |
申请公布日期 |
2007.10.18 |
申请号 |
DE2003616096 |
申请日期 |
2003.11.25 |
申请人 |
NITTO DENKO CORP. |
发明人 |
MUNE, KAZUNORI;NAITOU, RYUUSUKE;MOCHIZUKI, AMANE;HINO, ATSUSHI;HORIIKE, MIKA |
分类号 |
C08G73/10;G02B6/12;C08K5/3432;C08L79/00;C08L79/08;G02B1/04;G02B6/122;G02B6/13 |
主分类号 |
C08G73/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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