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id="jnpmjah" class="proBig"><div id="zogia7u" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914418964844/813508.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="eif73is" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914418964844/813508.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8jl9seq" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>龍華玻璃鏡片面板切割加工廠,鏡片面板</p><p><span>***更新：</span>2021-01-27 01:05:34</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="8zmws4y" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市佶利科技有限公司</a></p><p><span>聯(lián)系人：</span>江小姐</p><p><span>郵箱: </span>360581031@qq.com</p><p><span>電話: </span>13928444710</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0755-81471926</p><p><span>地址: </span>觀瀾街道廣培社區(qū)木頭湖517號201-1</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="vubfcg8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="auln8ji" class="box"><p><p> 鏡片面板 </p> <p> 1.鏡片材料的歷史 </p> <p> 1.歷史： </p> <p> 1636年～1940年玻璃是生產(chǎn)鏡片的主要材料 </p> <p> 1975年折射率為1.7的玻璃鏡片 </p> <p> 1983年折射率為1.6的玻璃鏡片 </p> <p> 1990年折射率為1.8的玻璃鏡片 </p> <p> 1995年折射率為1.9的玻璃鏡片 </p> <p> 1957年 </p> <p> <br /> </p> <p> 2.美國GE（通用電氣）公司率先發(fā)展了PC（聚碳酸酯）塑料，龍華玻璃鏡片面板切割加工廠，并稱之為Lexan。德國Bayer（拜爾）公司緊隨其后發(fā)展了他們的PC塑料Makrolen。1960年代 </p> <p> 二次世紀(jì)大戰(zhàn)結(jié)束。PPG把原***CR-39樹脂材料轉(zhuǎn)為民用，制造鏡片。 </p> <p> <br /> </p> <p> 1970年代 </p> <p> 70年代初，病患開始接受CR-39鏡片。 </p> <p> 1973年 </p> <p> 玻璃鏡片占85%，龍華玻璃鏡片面板切割加工廠，CR-39鏡片占15%。 </p> <p> 1978年 </p> <p> 美國Gentex公司借助**航天項目的優(yōu)勢首先用PC制造安全鏡片。 </p> <p> 1979年 </p> <p> 在發(fā)達(dá)國家中，鏡片材料由玻璃向CR-39樹脂轉(zhuǎn)型。結(jié)束了玻璃鏡片接近600年的統(tǒng)治地位，龍華玻璃鏡片面板切割加工廠。 </p> <p> 1985年 </p> <p> 美國Vision-Ease鏡片公司率先推出PC***鏡片。 </p> <p> 1991年 </p> <p> 美國Transitions（全視線）公司，推出***代變色樹脂鏡片。 </p> <p> 1994年 </p> <p> PC鏡片在美國市場的份額為10%。 </p> <p> 1995年 </p> <p> 偏光PC鏡片誕生。 </p> <p> 2002 年 </p> <p> PC鏡片在美國市場的份額為35%，玻璃鏡片*占不到3% 750nm~2500nm穿透率大于85%，濾光片材質(zhì)彈性好。龍華玻璃鏡片面板切割加工廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="龍華玻璃鏡片面板切割加工廠,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914418964844/813508.png"></div><p> 染色玻璃材料鏡片特點。 </p> <p> 染色玻璃材料：在玻璃材料中混合入一些具有特殊吸收性質(zhì)的金屬鹽后會表現(xiàn)出著色的效果，例如：加鎳和鈷（紫色），鈷和銅（藍(lán)色），鉻（綠色），鐵，鎘（黃色），金，銅和硒（紅色）等等。這些染色鏡片材料主要應(yīng)用于大規(guī)模地生產(chǎn)平光太陽鏡片或防護(hù)鏡片。一些具有特殊過濾性質(zhì)的淺色材料（棕色、灰色、綠色或粉紅色）也被用于生產(chǎn)屈光矯正鏡片，但象這種鏡片的材料現(xiàn)在的需求并不多，主要原因是由于近視或遠(yuǎn)視鏡片的中心厚度與邊緣厚度不同，從而使鏡片的顏色深淺不一致，屈光度越高，顏色差異就越明顯。寶安玻璃鏡片面板**膠為什么亞克力UV噴繪能代替玻璃？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="龍華玻璃鏡片面板切割加工廠,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914386689453/2311554.png"></div><p> 鏡片的光學(xué)反射和光線吸收性質(zhì) </p> <p> 光線反射 </p> <p> 光線在鏡片表面產(chǎn)生折射的同時，也會產(chǎn)生反射現(xiàn)象。光線反射會影響鏡片的清晰度，而且在鏡片表面會產(chǎn)生干擾性反射光。通常，鏡片材料的折射率越高，因反射而損失的光線就越多。當(dāng)然，對于干擾性反射光可以通過在鏡片表面鍍多層減反射膜而相應(yīng)抵消。 </p> <p> 光線吸收：材料的本身吸收光的特性會減少鏡片的光線透過率，這部分的光量損失對于非染色眼鏡片是可以忽略的，但如果為染色或變色鏡片，光的吸收量會很大，這也是此類鏡片的設(shè)計目的。眼鏡片的光線吸收通常指材料內(nèi)部的光線吸收，可通過鏡片前、后表面吸收光線的百分比表示。例如，30%的光線吸收相當(dāng)于30%的光通量在鏡片內(nèi)部的減少。材料的光線吸收遵循郎伯(Lambert′s?Law)定律，它根據(jù)鏡片的不同厚度呈**性的變化 </p><p> 鏡片普通玻璃材料與高折射率玻璃材料 </p> <p> （1）普通玻璃材料（1。5和1。6）：折射率為1.523的冕牌玻璃是傳統(tǒng)光學(xué)鏡片的制造材料，其中60%~70%為二氧化硅，其余則由氧化鈣、鈉和硼等多種物質(zhì)混合。有時也將折射率為1.6的鏡片劃歸普通鏡片。 </p> <p> （2）高折射率玻璃材料：經(jīng)過多年的研究，鏡片制造商已經(jīng)找到了在提高材料折射率的同時又保持低色散的方法，即在玻璃中加入新的化學(xué)元素。????早在1975年就生產(chǎn)出了含鈦元素的鏡片，折射率為1.7，阿貝數(shù)為41；15年之后又生產(chǎn)出了含鑭元素的鏡片，折射率為1.8，阿貝數(shù)為34；1995年出現(xiàn)折射率為1.9的材料，加入了元素鈮，阿貝數(shù)為30，這是目前折射率比較高的鏡片材料。雖然采用這些材料所制造的鏡片越來越薄，然而卻沒有減少鏡片的另一重要參數(shù)：重量。實際上，隨著折射率的增加，材料的比重也隨之增加，這樣就抵消了因為鏡片變薄而帶來的重量上的減輕。亞克力標(biāo)牌的應(yīng)用在企業(yè)、店鋪、地產(chǎn)房屋、學(xué)校、醫(yī)院以及各類商品的標(biāo)示中，是廣告標(biāo)牌的優(yōu)先。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="龍華玻璃鏡片面板切割加工廠,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914477246094/1845224.png"></div><p style="text-indent:25px">PC鏡片定義：一般的樹脂鏡片都是熱固性材料，即原料為液態(tài)，加熱后形成固態(tài)鏡片。PC片又叫“太空片”、“宇宙片”，化學(xué)名稱為聚碳酸酯，是熱塑性材料。即原料為固態(tài)，經(jīng)加熱后塑形為鏡片，所以這種鏡片成品后受熱過度也會變形，不適合高濕熱場合。PC鏡片有著極強(qiáng)韌性，不破碎（2cm可用于防彈玻璃），故又稱安全鏡片。比重每立方厘米*為2克，是目前用于鏡片的**輕材料。從鏡片的功能上講，它具有調(diào)節(jié)進(jìn)入眼睛之光亮，增加視力，保護(hù)眼睛安全和臨床***眼病的作用。對屈光異常引起的兒童斜視和伴有***的屈光異?；颊撸宕餮劬缶?**。而鏡片當(dāng)然要與鏡框搭配，還能起到美容、裝飾性的作用。現(xiàn)代流行者強(qiáng)調(diào)，眼睛要有與時代人的面部化妝及服飾的和諧，反映社會階層高、學(xué)問高雅、時尚等象征。亞克力UV打印但要是家里有亞克力材料做的制品，可別這么敗家，這種材料廢品回收，價格可是都很高的哦！松崗cnc手機(jī)鏡片面板**膠</p><p style="text-indent:25px">成本低，且非染色，透光好。龍華玻璃鏡片面板切割加工廠</p><p> 一般來說，亞克力標(biāo)牌，就是以亞克力板為主要材質(zhì)制作而成的標(biāo)示牌。亞克力標(biāo)牌被***的應(yīng)用在企業(yè)、**、店鋪、地產(chǎn)房屋、學(xué)校、醫(yī)院以及各類商品的標(biāo)示中，是廣告標(biāo)牌的優(yōu)先。相比普通招牌而言，具有美觀、炫目、可視性強(qiáng)等特點。 </p> <p> <br /> </p> <p> 亞克力UV標(biāo)識牌的作用：***:亞克力UV標(biāo)示牌具有標(biāo)記、警示的作用，標(biāo)示牌主要是通過視覺來表現(xiàn)它的作用。比如：文字傳達(dá)，記號是具有象征性、方向、暗示性等等功能。文字樣式可以表現(xiàn)出性格、背景、含義。形態(tài)與記號一同表現(xiàn)出象征與構(gòu)造性意義。第二、亞克力UV標(biāo)示牌是一種信息傳達(dá)媒體，它具有廣告、警示的功能。龍華玻璃鏡片面板切割加工廠</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3023941.html</p></div></div></div></div></div><div id="j8v378z" class="page-right twoColRt"><div id="myqnk4e" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="yszw3xe" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="3ovszdp" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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