Research on the Stroke Mark Features of Roller Ball Pen
Xiaofeng Bai · Zhongguo sifa jianding · 2013
Objective To summarize the types of stroke mark features of roller ball pens for providing scientific basis for the correct use of them by handwriting examiners.Method Handwriting of twenty people with three different roller ball pens were collected and analyzed.Results No matter whether one person uses different pens,or different persons use one pen,or different persons use different pens,there occur some same stroke mark features.Conclusion Roller ball pens’ stroke mark features are only one kind of handwriting features.Forensic conclusion cannot be drawn based on these features alone.