Coating and the substrate surface temperature of the coating would have a bad contraction stress, caused by cracking and peeling off the coating.

涂层与基体表面的温度差会使涂层产生收缩应力，引起涂层开裂和剥落。

youdao

General styryl products use of alcohol and petroleum solvent kind of weak solvent-cracking occurs, some substrate materials because of their factors will also cause cracking phenomenon.

凡是苯乙烯成品搁置酒精和火油解溶剂类弱溶剂也会爆发龟裂，一些承印物质料由于本身成分也会导致龟裂的本体爆发。

youdao

Thus, the semi-insulating nitride semiconductor crystal substrate in which warpage is less and cracking is less likely can be obtained.

由此，能获得其中翘曲较少且较不可能发生破裂的半绝缘氮化物半导体晶体衬底。

youdao