发明名称 |
Compound lens and optical system using compound lens |
摘要 |
The compound lens is composed of a glass made lens that has a first curved surface portion and a synthetic resin made lens that has a second curved surface portion along the first curved surface portion of the glass made lens and is united in one body by press fitting this second curved surface portion to the first curved surface portion of the glass made lens.
|
申请公布号 |
US6229656(B1) |
申请公布日期 |
2001.05.08 |
申请号 |
US19990321829 |
申请日期 |
1999.05.28 |
申请人 |
TOSHIBA TEC KABUSHIKI KAISHA;KABUSHIKI KAISHA TOSHIBA |
发明人 |
OMURA KEN |
分类号 |
G02B26/10;G02B26/12;(IPC1-7):G02B9/00;G02B26/08;G02B7/02 |
主分类号 |
G02B26/10 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|