Patent ID: 6017672
Filing Date: 2000-01-25
Classification: G03C

Abstract:
A heat-sensitive recording material having formed on a support a heat-sensitive recording layer containing a diazonium salt and a coupling component, wherein said diazonium salt is a compound represented by the following formula (1): ##STR7## wherein R.sup.1 represents an alkyl group or an aryl group; R.sup.2, R.sup.3, R.sup.4 and R.sup.5 each independently represents a hydrogen atom or an alkyl group, at least one of R.sup.2, R.sup.3, R.sup.4, and R.sup.5 represents an alkyl group, and R.sup.2 and R.sup.3, or R.sup.4 and R.sup.5, or R.sup.1 and R.sup.3, or R.sup.1 and R.sup.4, may combine with each other to form a ring; and X.sup.- represents an anion.