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激光全息印刷​防偽技術及應用【步殼印刷】

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2023-01-31 | 92 Views | Share:
激光全息印刷​防偽技術及應用【步殼印刷】

激光全息印刷防偽技術及應用【步殼印刷】


激光全息印刷又稱為激光彩虹全息印刷,它是隨著光學技術的發展而出現的一種特殊的印刷工藝,能夠在二維載體上再現三維圖像,激光全息印刷防偽技術與普通的印刷工藝簡像技術有很大的不同,它是通過全息照相技術、全息原版和模壓版的製作、模壓復制和後加工等工藝得到全息防偽產品的一種技術,一般也稱為激光全息防偽技術,激光全防偽技術屬於物理學防偽技術的一種,目前常用的是激光彩虹模壓全息圖防偽技術,它是應用激光彩虹全息圖製版技術和模壓復制技術,在產品上製作的一種可視的圖文信息,來達到防偽的目的

全息術( holography)是指應用光的乾涉和衍射原理,將物體發出的光波以乾涉條紋的形式記錄下來成為全息圖,並在一定的條件下再現出和原物逼真的三維衍射像的技術,由於記錄了物體光波的振幅和位相信息,因而稱為全息術或全息照相術。全息即:全部的信息,既包含振幅信息,又包含位相信息

 

激光全息印刷防偽技術及應用【步殼印刷】

激光全息印刷防偽技術及應用【步殼印刷】

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