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利用光学显微镜观察黑色中性笔笔画与印油、印泥印文交叉部位的特征,并进行统计分析,探讨中性笔与印章印文形成时序的检验方法。结果表明,先朱后墨时,中性笔笔画与印油、印泥交叉处出现了笔画中空、墨迹中断、印油印泥拖带痕迹、笔画变细或变粗的现象。先墨后朱时,笔画厚实、完整,无中空、中断、变细现象,有的交叉部位可以观察到印文与字迹的立体层次,或出现印油中断、印油收缩的现象。
The characteristics of the intersection of black gel pen and ink and inkpad were observed by optical microscopy, and the statistical analysis was conducted to examine the test method for the formation timing of the gel pen and seal ink. The results show that when the first ink is later than the second ink, the strokes of pen strokes, printing ink and ink are hollow, ink is interrupted, traces of imprinting of ink and printing ink, thinning or thickening of strokes. After the first ink was written, the strokes were thick, complete, hollow, interrupted and thinned. Some intersections could observe the three-dimensional structure of the seal and handwriting, or the phenomenon of the interruption of the oil printing and the shrinking of the oil printing.