Imaging compositions and methods of using the compositions are disclosed. The imaging compositions are sensitive to low levels of energy such that upon application of the low levels of energy the compositions change color or shade. The compositions may be used in methods of marking.
申请公布号
EP1562073(A1)
申请公布日期
2005.08.10
申请号
EP20050250634
申请日期
2005.02.04
申请人
ROHM AND HAAS ELECTRONIC MATERIALS, L.L.C.
发明人
BARR, ROBERT K.;FAHEY, JAMES T.;O'CONNOR, COREY;SHELNUT, JAMES G.;PISKORSKI, JOHN J.