SCD developed the first vacuum etching machine in China, with vacuum flood bar in the etching chamber; no pool effect; etching factor is up to 4.0.

SCD开发了中国国内第一台真空蚀刻机，蚀刻室内加装真空水刀，从根本上解决了水池效应，蚀刻因子提高到4。0以上。

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Conclusions: Both etching of porcelain surface and use of silane yield higher bond strength, but the etching is the chief factor.

结论：使用酸蚀剂和硅烷偶联剂都能提高贴面烤瓷的粘接强度，但酸蚀剂起主要作用。

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Then the profile of etching front is studied and the forming factors of the triangle at etching front are analyzed. The results show that the major factor of the triangle formation is stress.

提出了应力是产生腐蚀前端三角形的主要原因的推测，并通过退火实验验证了这一推测。

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Then the profile of etching front is studied and the forming factors of the triangle at etching front are analyzed. The results show that the major factor of the triangle formation is stress.

提出了应力是产生腐蚀前端三角形的主要原因的推测，并通过退火实验验证了这一推测。

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