LaB6 單晶是一種特殊結構的晶體，它具有金屬的良好導電性且逸出功低，工作在1400～1680℃時(shí)，可以獲得0～100A/cm2 的直流發(fā)射電流，遠勝于氧化物及純金屬陰極。
Kimball Physics公司（簡(jiǎn)稱(chēng)KPI公司）生產(chǎn)的六硼化鑭陰極特征如下：
l 更長(cháng)的壽命：潔凈真空中上千小時(shí)的壽命
l 超常的穩定性能：耐熱、化學(xué)、電、碳鍍、高溫等等
l 高亮度，低能耗：?jiǎn)尉?/span>LaB6,高品質(zhì)-高純度
Model ES-423E,單晶被加工成90°或者60°椎體，再根據微面分為15um、6um、20um平面等幾種。
常見(jiàn)不同品牌的電鏡的燈絲基座尺寸Dimensions for EM Filament Bases：
|
Base Type |
Diameter of Ceramic disc in mm |
Diameter of Pins in mm |
Center Distance of Pins |
|
AEI |
12.0 |
1.0 |
6.45 |
|
FEI/PHILIPS |
26.0 |
1.0 |
5.0 |
|
JEOL K-type |
28.0 |
1.2 |
8.0 |
|
HITACHI S-type |
9.8 |
1.2 |
2.7 |
|
ZEISS (DSM & TEM) |
19.8 |
1.0 |
5.0 |
|
AMRAY (except 1200) |
26.1 |
1.0 |
5.0 |
|
ISI/ABT/TOPCON |
23.3 |
1.2 |
11.9 |
|
ISI/ABT/TOPCON |
23.4 |
1.2 |
12.0 |
訂購信息：
|
貨號 |
產(chǎn)品名稱(chēng) |
|
Kimball ES423E-90/15 standard LaB6 tip with 90° cone and 15µm microflat; perfect for SEM/TEM applications |
|
|
1440-110 |
LaB6 Cathode, C423E-90/15, with AEI base for Cambridge Instruments/Leica/LEO/ZEISS EVO, Cameca, CamScan and Electroscan |
|
1440-112 |
LaB6 Cathode, A423E-90/15, for Amray |
|
1440-114 |
LaB6 Cathode, P423E-90/15, for FEI/Philips except smaller AEI style on XL30 SEM |
|
1440-116 |
LaB6 Cathode, Z423E-90/15, for ZEISS/LEO TEMs, ZEISS DSM SEMs, or Tescan SEMs |
|
1440-118 |
LaB6 Cathode, HL423E-90/15, for Hitachi HU base |
|
1440-119 |
LaB6 Cathode, H423E-90/15, for Hitachi S base |
|
1440-122 |
LaB6 Cathode, J423E-90/15, for JEOL K base |
|
1440-126 |
LaB6 Cathode, I423E-90/15, for ISI/ABT/Topcon 2 pin |
|
1440-130 |
LaB6 Cathode, E423E-90/15, for ETEC/Perkin Elmer |
|
1440-134 |
LaB6 Cathode, S423E-90/15, for Siemens base |
|
1440-136 |
LaB6 Cathode, G423E-90/15, for VG |
|
Kimball ES423E-90/20 long life time, high stability tip with 90° cone and 20µm microflat; mainly for analytical SEM/micro probe applications |
|
|
1440-210 |
LaB6 Cathode, C423E-90/20, with AEI base for Cambridge Instruments/Leica/LEO/ZEISS EVO, Cameca, CamScan and Electroscan |
|
1440-212 |
LaB6 Cathode, A423E-90/20, for Amray |
|
1440-214 |
LaB6 Cathode, P423E-90/20, for FEI/Philips except smaller AEI style on XL30 SEM |
|
1440-216 |
LaB6 Cathode, Z423E-90/20, for ZEISS DSM SEMs or Tescan SEMs |
|
1440-219 |
LaB6 Cathode, H423E-90/20, for Hitachi S base |
|
1440-222 |
LaB6 Cathode, J423E-90/20, for JEOL K base |
|
1440-226 |
LaB6 Cathode, I423E-90/20, for ISI/ABT/Topcon 2 pin |
|
1440-230 |
LaB6 Cathode, E423E-90/20, for ETEC/Perkin Elmer |
|
1440-234 |
LaB6 Cathode, S423E-90/20, for Siemens base |
|
1440-236 |
LaB6 Cathode, G423E-90/20, for VG |
|
1440-310 |
LaB6 Cathode, C423E-60/6, with AEI base |
|
1440-314 |
LaB6 Cathode, P423E-60/6, for FEI/Philips (except smaller AEI style on XL30 SEM) |
|
1440-316 |
LaB6 Cathode, Z423E-60/6, for ZEISS/LEO TEMs or Tescan SEMs |
|
1440-318 |
LaB6 Cathode, HL423E-60/6, for Hitachi HU base |
|
Kimball ES423E-60/6 high resolution/high brightness tip with 60° cone and 6µm microflat; for use in TEMs (rarely used for SEMs) |
|
|
1440-319 |
LaB6 Cathode, H423E-60/6, for Hitachi S base |
|
1440-322 |
LaB6 Cathode, J423E-60/6, for JEOL K base |
|
1440-326 |
LaB6 Cathode, I423E-60/6, for ISI/ABT/Topcon 2 pin |
|
1440-334 |
LaB6 Cathode, S423E-60/6, for Siemens base |
|
1440-336 |
LaB6 Cathode, G423E-60/6, for VG |
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