P-Type wafers
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P-Type wafers are Prime or Test wafers that have Boron as the main dopant. A P+ wafer is heavily doped with Boron <1 Ohm/cm2 (normally will be used as an Epi substrate). A P- wafer is lightly doped with Boron and usually has a resistivity >1 Ohm/cm2 an example would be 5-10 Ohm/cm2. P-type wafers can have a 100 orientation (most common) or a 111 orientation (the 111 substrate is normally used for Bi-polar devices). Note: We do not recommend using 111 material for R & D Etch or lithography purposes Because it breaks into pie shaped pieces when it is cleaved and it is therefore no good for SEM. analysis.


 
 
Total 20 건
번호 제  목 작성자 작성일 조회
20   Epitaxy 관리자 07-01-26 2736
19   Defects 관리자 07-01-26 3092
18   Resistivity 관리자 07-01-26 2922
17   Bow & Warp 관리자 07-01-26 3456
16   Site TIR or Total Indicator Reading 관리자 07-01-26 1791
15   Total Thickness Variation 관리자 07-01-26 1002
14   N-Type wafers 관리자 07-01-26 897
  P-Type wafers 관리자 07-01-26 1505
12   Particles 관리자 07-01-26 809
11   Final sort and inspection 관리자 07-01-26 899
10   Final Cleaning 관리자 07-01-26 872
9   Polishing 관리자 07-01-26 938
8   Lapping 관리자 07-01-26 982
7   Slicing 관리자 07-01-26 863
6   Next the finished Ingot 관리자 07-01-26 845
  
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