Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Projection and exposure apparatus including an optical member and a holding member










Image Number 9 for United States Patent #6144504.

A projection and exposure apparatus includes an optical member, a holding member for holding the optical member with a gap between the optical member and the holding member, and a powder charged in the gap between the optical member and the holding member, such that the optical member and the holding member are maintained in a spaced-apart relationship.








 
 
  Recently Added Patents
Combining seismic data from sensors to attenuate noise
Mobility management in a communications system
Method and apparatus for eliminating a motor vehicle tip-over risk
Bi-level switching with power packs
Video processing system and device with encoding and decoding modes and method for use therewith
Method and apparatus for generating soft bit values in reduced-state equalizers
Tab visibility
  Randomly Featured Patents
Oil filter removal nut
Method of adjusting and controlling a device for cutting strip material in a machine for the manufacture of commodities
Process for preparing tofu
Retortable liners and containers
Clip cord power connector
Roadside narrowband wireless communication apparatus
Footwear with flashing lights
Protease-activated receptor 3 and uses thereof
Fixing device, image forming apparatus and sheet conveying device
Method of fastener identification by impressing characters into a surface