Patent · US Active

Immersion objective lens, retention mechanism for immersion medium, and manufacturing method thereof

US8465709B2 · kind B2 · utility

4Cited by

5References

20Claims

0Family size

Assignee

OLYMPUS CORPORATION · JP

Inventors

Mitsuo Harada · Hachioji, JP
Akihiro Namba · Tokyo, JP
Morinao Fukuoka · Sagamihara, JP

Key dates

Filing date	Aug 5, 2010
Grant date	Jun 18, 2013
Priority date	—
Expiry date	Dec 2, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T436/25
WIPO fieldOptics
WIPO sectorInstruments

Abstract

There is provided a retention mechanism for an immersion medium, for use in a device which observes/measures a sample by use of an immersion objective lens, includes a member which retains the immersion medium near a tip portion of the objective lens, wherein the member is configured to include at least first and second materials.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.