Industry Patents

Patent: 5728994

Laser Ablation Method for Making a Light Pattern Generator on a Transparent Substrate

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Patent Number: 5728994 
Title: Laser Ablation Method for Making a Light Pattern Generator on a Transparent Substrate 
Abstract: A light pattern generator includes a reflective layer absorptive to infra-red radiation from which a desired pattern has been removed to allow passage of a light beam in the shape of the pattern. A method for making a light pattern generator includes forming a layer of reflective material on a transparent substrate and ablating a portion of the layer with a laser to create a desired pattern.  
Country of Issue: US 
First Named Inventor: Hutton 
Assignee: Vari-Lite 
Continuation or Divisional of:  
International Classification: B23K 26/00 
US Classification: 219/121.69 
Issue Date: 03-17-1998 
Filing Date: 06-07-1995 
Application : 473149 
Notes:  
Link to Patent at freepatentsonline.com: 5728994 at Freepatentsonline 
Link to World Patent Family1: World Patent Family at European Patent Office 
Link to Google Patents1: 5728994 at Google Patents 

 

1. The Google Patents and World Patent Family links will likely not work until a few weeks
after the patent has issued - they take a while to get new patents in their systems.

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