Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Lee; Ho Seok
Address:
Gyeonggi-do, KR
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
6838369 Method for forming contact hole of semiconductor device January 4, 2005
A method for forming a contact hole of a semiconductor device, wherein a polymer residual on a bottom surface of the contact hole is treated with plasma of mixture gas containing oxygen to convert the polymer residual into a pure silicon oxide film free of carbon and fluorine for easy










 
 
  Recently Added Patents
Pet grooming brush and vacuum attachment
Case for electronic device
Eyeglasses
Motion estimation for a video transcoder
Generation, display, and manipulation of measurements in computer graphical designs
Fixing device, fixing device control method, and image forming apparatus
Information display device and program storing medium
  Randomly Featured Patents
Engine working according to the method of pulsating combustion
Sewage tank
Electric dc source
Stacked label package and method of making it
Yoke apparatus for rack and pinion
Survival rifle holster
Mile post location display system
Vehicle hydraulic system with single pump
Chair
Electrical lap guides and methods of using the same