发明申请
US20120065313A1 IR-ABSORBING INTAGLIO INK 有权
红外吸收式压力油墨

IR-ABSORBING INTAGLIO INK
摘要:
Pasty ink for the engraved steel die printing process, having a viscosity value above 3 Pa·s, preferably above 5 Pa·s at 40° C., and comprising an infrared absorbing material, wherein said infrared absorbing material is a transition element compound whose IR-absorption is a consequence of electronic transitions within the d-shell of transition element atoms or ions.
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