Resources Contact Us Home
Information recording media

Image Number 4 for United States Patent #5167996.

Improvement in an information recording medium comprising two transparent resin substrates combined with each other, at least one of which has a recording layer provided on the inner surface thereof, two hubs mounted over the center hole of said disc substrates on both sides thereof, each hub having a insertion portion to be inserted into said center hole and a flange portion to cover a portion of said disc substrate in the vicinity of said center hole, wherein a notch is provided on the peripheral surface of each hub, adhesive layers are formed at least in the notch, between the inner peripheral surface of the center hole and the outer peripheral surface of the insertion portion of said hubs and between the hubs and a specific photo-curable composition may be used for the adhesive layer.

  Recently Added Patents
Registry key federation systems and methods
Epitaxial substrate for electronic device, in which current flows in lateral direction and method of producing the same
Image quality assessment
Method and system for distributing ringback files
Data scrambling in memory devices
Acoustic reconfiguration devices and methods
Apparatus and method for storing event information for an HVAC system
  Randomly Featured Patents
Corrosion inhibiting solutions and processes for refrigeration systems comprising heteropoly complex anions of transition metal elements additional additives
Wall mounted vacuum cleaner
Electronic dispute resolution system
Apparatus and method for blending fluids
Buried channel vertical double diffusion MOS device
Remote supervising apparatus
LED accent lighting units
Location dependent handling of mobile subscribers
Method of detecting after-running of electrical servomotors provided with means for incremental position detection
Stable multiple phase emulsion of the type O.sub.1 /W/O.sub.2