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題 名 | 感光樹脂版偽造中文印文辨識之研究=A Study on the Examination of Chinese Seals Forged with Photo-polymer Relief Plates |
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作 者 | 鄭琨琪; 孟憲輝; | 書刊名 | 中央警察大學學報 |
卷 期 | 37 2000.10[民89.10] |
頁 次 | 頁351-364 |
分類號 | 585.324 |
關鍵詞 | 刑事科學; 問題文書; 中國印章; 蓋印; 偽造; 感光樹脂版; Forensic science; Questioned documents; Chinese seal; Stamps; Forgery; Photo-polymer relief plate; |
語 文 | 中文(Chinese) |
中文摘要 | 由於印刷複製技術進步,複製原稿底片已和影印機影印文件一樣方便,在極短時間內掃描印文黑白稿即可直接製成版後送出偽造複製之原稿底片。因此,以感光樹脂凸版(photo-polymnerreliefplater複製偽造出兩枚完全相同特徵偽印章之可能性已無疑義,複製之感光樹脂凸版印章由於使用相同版,複製出完全相同之印章,要辨識其所蓋印文之基本差異(血ndamentaldifference'')確有困難。然而辨識印文頁偽是文書鑑定專家主要工作項日之一,從問題文書上辨識何者為偽造印文為其專業職責。為解決前述複製感光樹脂版印文鑑識的難題,本研究以實際複製實驗,了解感光樹脂凸版複製偽造印章影響印文辨識之程度,並提出一有效辨識感光樹脂凸版複製偽造印文之簡易辨識方法。本研究共用12枚不同材質真品印章所蓋印文為原稿,複製出24枚樹脂凸版偽印章,由複製偽造印章所蓋印文與真品印章所蓋印文的比對結果,觀察評估複製偽品與真品間之細微特徵差異,並確認各特徵的變異範圍(range of variation)及對印文辨識之影響,供文書鑑識人員辨識真偽印文之參考。結果發現,感光樹脂凸版複製偽造印章所蓋印文可與真品印章之印文區別;但分別以相同原稿複製的兩枚感光樹脂凸版印章所蓋之印文間,則無法加以區辨。 |
英文摘要 | Twelve different original Chinese seals made with various materials, such as wood, cowhorn, crystal, stone, and ivory, were employed to stamp original seal impressions. Twophoto-polymer seal replicas were made from each of the original impressions. The seal replicaswere then used to produce forged seal impressions. The identifying characteristics of eachoriginal impression were compared with that of forged impressions. The identifyingcharacteristics of impressions stamped using two different forged seals made from the sameoriginal impression were also compared with each other. The results indicated that original sealimpression could be successfully differentiated from forged seal impression based on thedifference of print density and stroke morphology between each other. However, the forgedimpressions stamped using two different seal replicas made from the same original impressionwere undifferentiated with each other. Finally, a practical method for the examination of forgedChinese seal impressions was proposed. |
本系統中英文摘要資訊取自各篇刊載內容。