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印畫冊面化感光材料

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2021-02-27 | 456 Views | Share:
​最常用的種全息材料,它具有高度:光響應度分率高用性強等優點,但衍射鐵率和信比低化鋸乳酸片分為股片(膠片​)和於版(硬片)兩種,主要由感光和片基組,

      印畫冊面化感光材料

最常用的種全息材料,它具有高度:光響應度分率高
用性強等優點,但衍射鐵率和信比低化鋸乳酸片分為股片(膠片)和於版(硬片)兩種,主要由感光和片基組,

感光層又稱乳酸層,是由超借粒滷化銀(主要或分為
ABACD)晶粒懸浮在明膠中,再加上一定的敏化劑製成的乳膠,其厚度一般為0015um,乳教附著在片基上,

習慣上肥片基為玻璃板的稱為全息乾版,面片基為糙酸鹽和滌輪片等校片的則稱全息膠片。作為全息用的閱化銀乳膠中微粒度要求為
003-008m

由於粒度越小感光靈敏度越低
所以全息乾版的哪光量較普通照相乾版大得多,全息乾版的標準顯影劑是D10,這種顯影劑能得到較高的值,

顯影後的銀顆粒大小為
0.1=029m,細微粒的顯影劑是D76,顯影出的錐粒呈絲狀,超細微粒乾版用D6稀釋顯影液顯影,下版呈粽紅色,

銀的粒度為
00060/025m,全息圖的射效率可以達到40%,另一種提高行射效率的方法是用D6顯影及定影後,再用R10NaC)漂白,然後用強光照射,使全息圖上曝光部分的生成物為光解銀,

其粒度為
0.01um全息的行射也可以提高全息乾版經哪光和顯影處理後得到振幅型全息圖,如果經過漂白處理則成為位相型的全息圖,漂白是用氧化劑將金屬銀還原為透明銀鹽,

其結構是使全息圖上曝光部分的明膠折射率不同。

印畫冊面化感光材料
印畫冊面化感光材料


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