Abstract: A microscope objective having at least four lenses or groups of lenses and which can be used to improve image contrast. According to the invention, a phase plate, aligned concentrically to the optical axis, can be integrated into and taken out of the air space between the first lens and the second lens, as viewed from the object side. The defined arrangement of the phase plate and the associated shift of the real pupil into the air space between the first two lenses or groups of lenses, respectively, of the microscope objective allows a microscope objective, initially designed as a bright-field variant, to be redesigned as a phase contrast variant with relative ease.
Type:
Grant
Filed:
March 21, 2008
Date of Patent:
March 2, 2010
Assignee:
Carl Zeiss MicroImaging GmbH
Inventors:
Renhu Shi, Anke Vogelgsang, Thomas Bocher, Werner Kleinschmidt
Abstract: Inorganic particle/polymer composites are described that involve chemical bonding between the elements of the composite. In some embodiments, the composite composition includes a polymer having side groups chemically bonded to inorganic particles. Furthermore, the composite composition can include chemically bonded inorganic particles and ordered copolymers. Various electrical, optical and electro-optical devices can be formed from the composites.
Type:
Grant
Filed:
April 24, 2003
Date of Patent:
April 19, 2005
Assignee:
NanoGram Corporation
Inventors:
Nobuyuki Kambe, Yigal Dov Blum, Benjamin Chaloner-Gill, Shivkumar Chiruvolu, Sujeet Kumar, David Brent MacQueen