| 摘要 |
1385533 Coated sheet materials N C R CORP 12 Sept 1972 [30 Sept 1971] 42220/72 Heading B2E [Also in Division G2] A material, for use in recording images using laser beams, comprises a radiationtransmitting support sheet, which may be a polycarbonate, polyester, triester or diester, bearing a coating of a material which is selfignitable by heat in the absence of air, e.g. nitrocellulose, which coating may contain radiation-absorbing solid particles e.g. of carbon black. |
