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标题:
要有选择性的正确使用抗EMI国产的吸波材料
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时间:
2007-4-29 20:02
作者:
ffs1988
标题:
要有选择性的正确使用抗EMI国产的吸波材料
<p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-layout-grid-align: none;"><b><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"></span></b><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 黑体; mso-bidi-font-family: 黑体; mso-font-kerning: 0pt; mso-hansi-font-family: 宋体;"><p></p></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-layout-grid-align: none;"><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"> <p></p></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-layout-grid-align: none;"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">有些网站上介绍很薄的吸波材料在很宽的频段内吸收率<span lang="EN-US">-15-30dB</span>，那是不可能的！它也许是屏蔽效能，所以<span style="mso-bidi-font-weight: bold;">要根据用户的不同应用情况正确使用<span lang="EN-US">EMI</span>国产的吸波材料。</span></span><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 黑体; mso-bidi-font-family: 黑体; mso-font-kerning: 0pt; mso-hansi-font-family: 宋体;"><p></p></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-layout-grid-align: none;"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-layout-grid-align: none;"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">吸波材料</span><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman";">是一种能够吸收电磁波而反射、散射和透射都很小的功能材料，性能等同于美国隐形飞机涂层（只是吸收频率有所不同），胶板类吸收电磁波材料主要特点：厚度薄、柔性好、对镜面波和表面波都具有良好的吸收特性。</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><p></p></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman";">它是根据不同用户的应用频段，调整功能材料的浓厚和配方，使</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">有效频率范围在：<span lang="EN-US">10MHz--20000MHz</span><span style="COLOR: black;">，</span>厚度：<span lang="EN-US">0.25mm---8.5mm</span><span style="COLOR: black;">，</span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-hansi-font-family: "Times New Roman";">吸收率：<span lang="EN-US">>4.5db</span>，</span><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">可加压敏胶带，价格比美国、日本等进口的有很大差别。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan;"><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><p> </p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; mso-pagination: widow-orphan;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">应用范围：</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-hansi-font-family: "Times New Roman";">抑制电子产品、</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman";">雷达及微波通信系统</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-hansi-font-family: "Times New Roman";">内部的电磁波杂讯、共振、<span lang="EN-US">EMI</span>。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; mso-pagination: widow-orphan;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-hansi-font-family: "Times New Roman";"></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; mso-pagination: widow-orphan;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-hansi-font-family: "Times New Roman";">如有对国产吸波材料有兴趣的工程师可和我联系，也可免费送样品供你试用，但必须告知你的应用的频率范围！<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman";">切记！吸波材料它不是万能材料，它只是一种辅助材料，弥补某些</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">EMC</font></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman";">、</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">EMI</font></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman";">设计上的缺陷。</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt;"><p><font face="Times New Roman"> </font></p></span></p>
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