U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"The horse is here to stay, the automobile is only a novelty - fad."

President of Michigan Savings Bank ; 1903

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 356/48 - Modulating (e.g., flicker beam)


Subclass of Class 356 - Optics: measuring and testing
Definition: Subject matter wherein the means to compare or facilitate
No. of patents: 3
Last issue date: 01/18/2005


NumberTitleIssue Date
6843202Thermal processing apparatus for substrate employing photoirradiation
A lamp house storing a plurality of flash lamps and a chamber storing and holding a semiconductor wafer are fitted to each other in an openable/closable manner. The lamp house and the chamber are fixed to a closed state with male screws. In order to process a semico...
01/18/2005
6741362Method, system, and computer program product for determining refractive index distribution
The present invention provides a method and system for determining three-dimensional refractive gradient index distribution. The method and system of the present invention determine inhomogeneity data and calculate index of refraction changes in three-dimensions (3D...
05/25/2004
4176952Photoelectric pyrometer for measuring temperature of bodies of small cross-sectional dimensions which vary with respect to optical axis of pyrometer
Disclosure is made of a photoelectric pyrometer for measuring the temperature of bodies of small cross-sectional dimensions which vary with respect to the optical axis of the pyrometer. The pyrometer comprises, in successive arrangement, an objective, a s...
12/04/1979
 
Sign InRegister
Username  
Password   
forgot password?