Patent · US Active

Ring illumination device for a microscope objective, and microscope objective

US9297993B2 · kind B2 · utility

0Cited by

6References

10Claims

0Family size

Assignee

Carl Zeiss Microscopy GmbH · DE

Inventors

Ingo Fahlbusch · Göttingen, DE
Jan Buchheister · Jena, DE
Georg Herbst · Oettingen, DE
Max Funck · Weimar, DE
Uwe Wolf · Magdala, DE

Key dates

Filing date	Apr 17, 2014
Grant date	Mar 29, 2016
Priority date	—
Expiry date	Apr 17, 2034

Classification

Technology area (CPC G)Physics
CPC primaryG02B21/084
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The invention relates to a ring illumination device (07) for a microscope objective (01), and a microscope objective (01) provided with such a ring illumination device (07). The ring illumination device (07) has at least two LED units (11) which are accommodated in an illumination ring (17) which can be connected to the microscope objective (01). According to the invention, the ring illumination device (07) has at least one lower entrance opening (08) and at least one upper outlet opening (09) for cooling air, for cooling the LED units (11).

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