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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <table align="center" cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><strong>1.</strong></td><td><strong>讽�/strong><strong>夆�/strong><strong>名称９�/strong></td><td> 霍尔效应测试�?/td></tr><tr><td><strong>2.</strong></td><td><strong>功能描述９�/strong></td><td> 测量半导体薄膜中载流子类型、载流子浓度、迁移率、电阻率、霍尔系数等参数</td></tr><tr><td><strong>3.</strong></td><td colspan="2"><strong>设备明细９�/strong></td></tr><tr><td> 3-1</td><td> 测试范围９�/td><td> Si� SiGe� SiC� GaAs� InGaAs� InP� GaN (N Type & P Type)等材质的半导体薄膜中载流子类型、载流子浓度、迁移率、电阻率、霍尔系数等参数</td></tr><tr><td> 3-2</td><td colspan="2"> 磁场９�/td></tr><tr><td> 3-2-1</td><td> 磁场强度９�/td><td> 0.5T 电磁� �?.5T 永磁� / 1.4T 电磁� 两种磁场可选）</td></tr><tr><td> 3-2-2</td><td> 磁场类型９�/td><td> 电磁佒�/td></tr><tr><td> 3-2-3</td><td> 磁场均匀性：</td><td> 磁场不均匀性＜��1 %</td></tr><tr><td> 3-3</td><td colspan="2"> 测试样品９�/td></tr><tr><td> 3-3-1</td><td> 样品测试仓：</td><td> 全封闭、带玻璃窗口</td></tr><tr><td> 3-4</td><td colspan="2"> � 度：</td></tr><tr><td> 3-4-1</td><td> 温度区域９�/td><td> 80K ~730K</td></tr><tr><td> 3-4-2</td><td> 温控精度９�/td><td> 0.1K</td></tr><tr><td> 3-4-3</td><td> 温控稳定性：</td><td> ��0.1 K</td></tr><tr><td> 3-5</td><td> 电阻率范围：</td><td> 10<sup>-6</sup>~10<sup>13</sup> Ohm*cm</td></tr><tr><td> 3-6</td><td> 电阻范围９�/td><td> 10 m Ohms~ 10G Ohms</td></tr><tr><td> 3-7</td><td> 载流子浓度：</td><td> 10<sup>2</sup>~10<sup>22</sup>cm<sup>-3</sup></td></tr><tr><td> 3-8</td><td> 迁移率：</td><td> 10<sup>-2</sup>~10<sup>9</sup> cm<sup>2</sup>/volt*sec</td></tr><tr><td> 3-9</td><td colspan="2"> 输入电流９�/td></tr><tr><td> 3-9-1</td><td> 电流范围９�/td><td> 0.1 pA~10mA</td></tr><tr><td> 3-9-2</td><td> 电流精度９�/td><td> 2%</td></tr><tr><td> 3-10</td><td colspan="2"> 输入电压９�/td></tr><tr><td> 3-10-1</td><td> 电压范围９�/td><td> ��2.5V�?小可测到6��10<sup>-</sup><sup>6</sup>V</td></tr><tr><td> 3-10-2</td><td> 电压分辨率：</td><td> 3��10<sup>-</sup><sup>7</sup>V</td></tr><tr><td> 3-10-3</td><td> 电压精度９�/td><td> 2%</td></tr></tbody></table> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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