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src="static/image/filetype/pdf.gif" border="0" class="vm" alt="" /> 台湾光电所开发DWDM镀膜系统监控及制程自动化: Tcpfr0h3.pdf</h1> </div> <div class="bm_c xld"> <div class="attbox_right_ad"> </div> <div class="attbox_left"> <ul> <li>打开方式: Adobe Reader 9.0</li> <li>资料大小: 113.52 KB</li> <li>下载次数: 124</li> <li>上传会员: <a href="attachcenter-list.html?uid=10952" target="_blank" style="color:#FF9900">李伟华</a></li> <li>上传时间: 2005-05-18</li> <li>本站网址: <a href="http://forum.oecr.com/">forum.oecr.com</a></li> <li><a href="http://bbs.oecr.com/thread-35080-1-1.html" target="_blank">查看资料所在的主题</a></li> <li><a href="http://bbs.oecr.com/forum.php?mod=attachment&aid=NjUxOXw0MTVkNGZjNXwxNzY2MDg4MzE5fDB8MA%3D%3D" target="_blank" style="color:#FF9900">下载资料 </a></li> </ul> </div> <DIV style="CLEAR: both"></DIV> <b>欢迎下载本站资料，下载前请先登录您的社区账号。</b></div> </div> <DIV style="CLEAR: both"></DIV> <div class="bm cl" style="padding:5px;"> <p><button type="submit" class="pn vm" onclick="setCopy('http://forum.oecr.com/plugin.php?id=attachcenter:page&aid=6519', '链接已经复制到剪贴板');" type="submit"> <em>复制链接推荐给好友</em></button> <input type="text" class="px vm" onclick="this.select();setCopy(this.value, '链接已经复制到剪贴板');" value="http://forum.oecr.com/plugin.php?id=attachcenter:page&aid=6519" size="50" /></p> </div> <div class="bm"> <div class="bm_c xld"> <b>台湾光电所开发DWDM镀膜系统监控及制程自动化:</b><div class="postmsg"></div> <div class="postmsg">国内有很多公司在做DWDM方面的镀膜产品，做的怎么样？有什么问题？产品前景如何，大伙讨论</div> <div class="postmsg">据我所知国内和国外目前做DWDM的厂家都不多，而且有些以前做的公司已经转产了。<br /> 现在DWDM Filter需求量不大，价格又低，制作成品率不太高。<br /> 你这篇文章是什么时候的，照文章所说的即使他们镀出产品来也没有人买的，更何况产品质量方面也不一定比别人好。</div> <div class="postmsg">国内现在的DWDM估计不剩几家了吧。<br /> 因为DWDM是个高投入的产业，不但是设备的昂贵，还有生产成本也是十分的昂贵，同时生产周期长（如果成产全部C波段的信道，最起码要一个月的时间）这就使得生产厂家的成本投入是巨大的（有人笑称是在烧钱）。<br /> 随着光通讯市场逐步走向理性化，原本的暴利是没有了，反而前几年呈现的是买方市场，价格是一再跌水，技术指标是不断提高。而国内的大多数企业都是在光通讯的滑坡时期进行投产的，所以基本没有获得什么利润，从而针对技术指标的提高，也无力进行新的技术研发。最终老板是关门大吉！<br /> 针对DWDM的产品特点而言，客户越多，其产品的成品率也越高。但前几年，DWDM的客户也是零星的一点订单，所以也加速了DWDM生产商的关门。<br /> 虽然目前的光通讯市场逐步的恢复，但现在的市场仍然是畸形的，这个畸形体现在客户方面-价格因素。就生产成本来说，价格因素已经不考虑了设备和厂房等的折旧费用，这对公司的运行来说，也是非正常的。也许有一天，DWDM的客户，你真的那着钱买不到东西的.<br /> 以上是我从事DWDM几年的一点感想，希望和大家交流！</div> <div class="postmsg">做DWDM的关的差不多了,台湾也关了好多.研究所钱多,烧着玩呢.</div> <div class="postmsg">据我观察和了解，镀膜通常都作为基础部门设置而为其他部门服务的，无论传统光学还是光通讯皆如此，单从镀膜本身来看或进行成本核算，镀膜可能赢利稍微甚至亏损，但从整个公司产品链来说是赢利的；这样就必然导致只是单一做镀膜的公司难以维持或无法与配套产品之公司进行竞争，当产品成熟市场恢复理性化之后最终必然退出市场。故尤其对DWDM镀膜市场来说关闭或转行的公司皆属于单一做镀膜的公司，而那些将镀膜作为部门来营运的公司无论产品成品率质量还是技术指标都越做越好。器件商不会买不到产品的，况且有时客户会提供或指定厂商使用自己的Filter的。<br /> 总之，当市场达到理性和规范化时，也到了垄断之时了。</div> <div class="postmsg">镀膜作为基础部门设置的公司的镀膜一般就是做AR，为的是配套整个公司的产品。<br /> 这样的公司需要多层镀膜时必然使用专门做镀膜的公司的产品。更何况DWDM呢，没有一个使用DWDM Filter的公司是自己生产的。<br /> 国外的大公司像JDS Bookham等镀膜很强，其实是通过收购专业镀膜公司的方法实现的。</div> <div class="postmsg">现在光通讯公司使用的DWDM Filter主要都是自己生产的，哪位不信可以调查一下〔如JDS，Bookham,Oplink,Auxora等主要使用哪里的产品〕。现在我所在的公司使用的Filter每月仍几千片左右，外购很少都是厂商自己生产的。<br /> 通过收购成为镀膜部门，说明了即使是专业的镀膜公司也难免走不通独立占有市场地位之路。原因我已经谈过。</div> <div class="postmsg">JDS 很早收购了好几个非常好的镀膜公司 ，他们自己的VEECO和LEYBOLD只为AR coating 服务<br /> bookham大概去年吧收购了美国的做滤光片专业的镀膜公司<br /> oplink早期在国外自己镀膜，现在国内设立上海公司<br /> 以上公司的镀膜虽然说收购或者是组建但是仍然是独立核算的，高层领导一个，所以作器件的公司迫于压力只能内部采购。呵呵<br /> Auxora现在应该还是被作为专业镀膜公司<br /> 专业做镀膜公司的命运也许就是被收购，因为底子太薄了，要是专门作镀膜，还真要饿死。所以要做成系统的公司，要不然发展到一定水平准备被吞并吧</div> <div class="postmsg"><br /> [quote][B]以下是引用[I]wazxq[/I]在2005-5-29 10:51:29的发言：[/B][BR]JDS 很早收购了好几个非常好的镀膜公司 ，他们自己的VEECO和LEYBOLD只为AR coating 服务<br /> bookham大概去年吧收购了美国的做滤光片专业的镀膜公司<br /> oplink早期在国外自己镀膜，现在国内设立上海公司<br /> 以上公司的镀膜虽然说收购或者是组建但是仍然是独立核算的，高层领导一个，所以作器件的公司迫于压力只能内部采购。呵呵<br /> Auxora现在应该还是被作为专业镀膜公司<br /> 专业做镀膜公司的命运也许就是被收购，因为底子太薄了，要是专门作镀膜，还真要饿死。所以要做成系统的公司，要不然发展到一定水平准备被吞并吧[/QUOTE<br /> 同意你的迫于压力的说法！别的就不说啥了，只能说镀膜的命苦！但是有一天会出现你有钱，但是没有人愿意给你镀的时候的！</div> <div class="postmsg">wa说DWDM是镀膜最高境界。小弟不敢苟同。</div> <div class="postmsg">楼上那还有什么难过DWDM镀膜的，不妨列举列举（GFF不算，应该属于DWDM的范畴）</div> <div class="postmsg">各位大老多谈谈啊,学习中.......</div> <div 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