请教各位
<P>请教：</P><P>如图的激光二极管内的透镜是否要镀膜？一般是用什么设备？</P>
<P><img src="data/attachment/forum/dvbbs/2004-11/20041126163721518.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'data/attachment/forum/dvbbs/2004-11/20041126163721518.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
</P> <P>不用镀膜的</P>
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