×

Laser pyrographic reflective recording layer in a carbon containing absorptive matrix

  • US 4,314,260 A
  • Filed: 03/18/1980
  • Issued: 02/02/1982
  • Est. Priority Date: 02/14/1979
  • Status: Expired due to Term
First Claim
Patent Images

1. An information storage medium for pyrographically recording laser writing comprising a reflective surface coating of at least 15% reflectivity disposed on a sheet substrate, the reflective coating comprising reflective silver particles distributed within a gelatin matrix.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×