Title:
【発明の名称】希土類元素添加導波路の製造方法
Document Type and Number:
Japanese Patent JP2747359
Kind Code:
B2
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Inventors:
NAKAZAWA MASATAKA
KIMURA YASURO
IMOTO KATSUYUKI
KASHIMURA SEIICHI
KIKUCHI FUJIO
KIMURA YASURO
IMOTO KATSUYUKI
KASHIMURA SEIICHI
KIKUCHI FUJIO
Application Number:
JP12831790A
Publication Date:
May 06, 1998
Filing Date:
May 18, 1990
Export Citation:
Assignee:
HITACHI DENSEN KK
NIPPON DENSHIN DENWA KK
NIPPON DENSHIN DENWA KK
International Classes:
G02B6/13; C23C14/08; G02B6/12; (IPC1-7): G02B6/13; C23C14/08
Domestic Patent References:
| JP2146504A | ||||
| JP353202A | ||||
| JP61139637A | ||||
| JP1142078A | ||||
| JP1287206A | ||||
| JP63111135A | ||||
| JP63290272A |
Attorney, Agent or Firm:
Nobuo Kinutani