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<table cellpadding="3" cellspacing="0" width="100%" class="forumline"> <thead> <caption><table border="0" cellspacing="0" cellpadding="0" width="100%" class="forumheader"> <tr> <td align="left" valign="bottom" width="25"><img src="http://picsrv.fora.pl/AcidTechTiger/images/hdr_left.gif" width="25" height="27" alt="" /></td> <td align="center" class="forumheader-mid">Topic review</td> <td align="right" valign="bottom" width="25"><img src="http://picsrv.fora.pl/AcidTechTiger/images/hdr_right.gif" width="25" height="27" alt="" /></td> </tr></table></caption> </thead> <tbody> <tr> <th class="thCornerL" width="22%" height="26">Author</th> <th class="thCornerR">Message</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>Googlelovqj</b></span></td> <td class="row1" height="28" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/AcidTechTiger/images/post_old.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Posted: Sun 0:06, 13 Mar 2011<span class="gen"> </span> Post subject: piumini Moncler Coated magnesium _3440 vacuum coat</span></td> </tr> <tr> <td colspan="2"><hr /></td> </tr> <tr> <td colspan="2"><span class="postbody">Magnesium coating vacuum coating method <br /> <br /> <br />The mass production. In addition, (Yang Xiaochan translation) inhibition of components developed in Japan warming reflowing lead-free solders Oki Electric Industry Company of Japan Furukawa Electric Industrial Company and the joint development in the use of Solders as the current mainstream products when the Sn-Ag-Cu To prevent heat damage electronic components, and automatic soldering of the OKI plans to use the new technology, in 2003 the company's products to achieve lead-free. And the planned commissioning services electronic parts and components manufacturing business. Furukawa Electric Company began selling the new technology used reflow oven. Sn. Ag. Cu soft solder melting temperature is 217-220 Due to the current use of lead-free solders with reflow furnace heating furnace is used to improve the temperature uniformity of the hot air circulation means, so do not heat the substrate and the components can not be used. This led to the substitution or use of heat-resistant material, or soft-lead soldering by hand, or in special devices for individual soldering, so that the cost increase. * 'New technology is in terms of reflow oven using hot air heating and far infrared, and the methods used. There is not equipped with heat for heating the upper parts, while the side with a hot air heater control temperature rise in the temperature control components. Ability to use the lower part of the far-infrared heat melting the soft solder. Far infrared and hot air and the methods used, due to the lower part of the upper air temperature by far-infrared thermal interference, resulting in temperature can not be reduced. The impact of the development of far-infrared free, heat and cooling performance of the air way. The parts in the low-temperature heating, soft solder melts at high temperatures the automatic soldering possible. (Yang Xiaochan translation) magnesium coating vacuum coating method Himeji Japan School of Engineering,<a href="http://www.spacciomoncleroutlets.com" target="_blank">piumini Moncler</a>, University of Studies of Professor Fan Chun Ye Qing established the method of vacuum coating technology of high purity magnesium coating. The purpose of high-purity magnesium coating to improve corrosion resistance, and to greatly simplify the complex relationship between surface treatment processes and reduce costs. Coating unit and the evaporation from the film room chambers, with a cut-off between the two separated and powerful family owned a vacuum exhaust. In the evaporation chamber to approximately 3N purity magnesium evaporation, temperature and pressure in the control room in the film formed on the substrate 61 ', / more than high-purity magnesium film. In the magnesium vapor pressure and a decline in the cause of the corrosion resistance of pressure difference of impurities,<a href="http://www.stivaliuggsitalia.net" target="_blank">ugg stivali</a>, the key is to improve the purity of magnesium. Because it is vacuum coating, so even complex shapes can also be evenly film. (Yang Shouchun translation) technology equipment for welding aluminum Edison Welding Institute Columbus, Ohio,<a href="http://www.airjordansshoescheapnike.com" target="_blank">air jordan shoes</a>, with the Ford Motor Company,<a href="http://www.stivaliuggsitalia.net" target="_blank">stivali ugg</a>, U.S. technology companies and Sonobond ultrasonic welding jointly developed a technology for mass production of aluminum equipment. Edison Welding Institute,<a href="http://www.spacciomoncleroutlets.com" target="_blank">moncler outlet</a>, said, according to the State 13 <br /> <br />相关的主题文章： <br /> <br /> <br /> <a href="http://www.zuihaodi.net/home/space.php?uid=421&do=blog&id=62587" target="_blank">Rosetta Stone version 3 Of</a> <br /> <br /> <a href="http://www.17yifu.com/forum/home/space.php?uid=1440&do=blog&id=70995" target="_blank">spaccio moncler China has successfully developed a</a> <br /> <br /> <a href="http://bbs.yxtong.net.cn/home/space.php?uid=1083&do=blog&id=53762" target="_blank">air jordans Thorium-uranium for reactor may be rep</a></span></td> </tr> </table></td> </tr> <tr> <td colspan="2" class="spaceRow"><img src="http://picsrv.fora.pl/AcidTechTiger/images/spacer.gif" alt="" width="1" height="1" /></td> </tr> </tbody> </table>
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