Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Lift-off method and chemical liquid tank










Image Number 10 for United States Patent #7235141.

A lift-off procedure is provided which enables prevention of damage to a wiring pattern caused by contact of a metal being peeled off from a wafer with a wiring pattern at a time of lift-off procedure. A wafer having a surface on which a pattern is formed which contains a pattern portion to be removed is soaked into a chemical liquid at an angle at which the surface faces downward.








 
 
  Recently Added Patents
Advanced CAPTCHA using images in sequence
Touch panel structure and manufacturing method thereof
Transfer formulas
Methods and apparatuses for configuring and operating graphics processing units
Method and system and policy server for guaranteeing data not to be interrupted
Login security with short messaging
Locking flange
  Randomly Featured Patents
Lift assist for a food product slicer
Two wheel/four wheel drive shifting device including an indicator
Adjustable lamp
Environmentally and wear protected glass substrate thin film thermal printheads
Wall mounted soap dish
System for tracking body movements in a virtual reality system
Installation for electrolytic coating of metallic bands and anode for such an installation
Resonant mode power supply having over-power and over-current protection
Adaptive use of polarization as a means of increased wireless channel capacity
Hybrid injection molding process for enhancing exterior appearance of molded articles by molding fabric thereto