科普 | 半导体制造的关键工艺——离子注入
半导体常用的硅材料导电性能很差,想要半导体能够导电,需掺入杂质,以增加可移动的电子或空穴的数量。传统的掺杂方法分为扩散法和离子注入法,而后者以其高精度、高可控性及合适的工艺温度,逐渐成为主流。
离子注入的目的
离子注入本质上是为了改变纯净半导体的导电类型和导电能力。
通过向硅中注入五价元素,得到 N 型硅;向硅中注入三价元素,得到 P 型硅。
离子注入的原理
离子注入 (Ion Implantation),是一种向半导体中精确的引入杂质的方法。首先将所需的杂质电离,然后在电场中加速形成一个集中离子束。这束离子随后打在硅片表面,这些高能粒子进入晶格并与一些硅原子碰撞而失去能量,最终在某个深度停止,使得离子穿透并嵌入到硅片中。
注入能量与深度:离子穿透的深度主要取决于注入的能量大小。通常注入能量在 1 keV 到 1 MeV 之间,穿透深度可以从 10 纳米到 10 微米不等。
掺杂剂量:离子注入剂量单位为离子数量/cm²,剂量范围通常是 10¹²/cm²(用于 MOSFET 阈值电压调整)到 10¹⁸/cm²(用于形成埋层绝缘层)。
杂质分布:离子与半导体中的电子和原子核发生多次碰撞后逐渐失去能量,最终停留在一定深度。杂质通常呈高斯分布,其中离子能量决定了峰值深度,离子剂量则决定峰值浓度。除了沿垂直方向的分布外,离子也会在横向产生扩散。
离子注入的工艺
离子源生成:离子源通常是一些气态的化合物,如 BF₃或 AsH₃,并以加热或电离将其分解成带电离子。
质量分析和离子筛选:为确保离子具有均匀的质量和电荷比,离子束需要经过质量分析仪,通过在磁场中让离子束偏转,使得特定质量电荷比的离子通过。
加速与离子束形成:通过加速管,离子束在电场作用下被加速到预定的能量。
离子束准直与扫描:为确保均匀覆盖整个晶圆表面,离子束需要经过准直和聚焦。随后,利用静电偏转板对离子束进行扫描,使其形成均匀的掺杂区域。
退火:由于高能离子的撞击,半导体晶格可能受到破坏,形成晶格缺陷。为了恢复晶格结构,通常需要进行退火处理。
离子注入机分类
高束流注入机 (High Current Implanter):离子束电流大于10mA,离子束能量小于120kev。用于大面积和高掺杂浓度的注入。
中束流注入机 (Medium Current Implanter):电流小于10mA,用于中等掺杂浓度和面积的注入。
高能注入机 (High Energy Implanter):束流能量超过200kev,能够使离子束穿透更深的硅层。
桑德斯微电子(SMC)成立于 1997 年,是一家中美合资集研发、设计、制造、销售为一体的高新技术企业。我们的半导体芯片、大功率半导体器件等产品广泛应用于航空航天、通讯、工业、光伏、风能、汽车、家电、医疗等尖端领域。
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本文由杰西啊杰西转载自SMC(桑德斯微电子公众号),原文标题为:科普 | 半导体制造的关键工艺——离子注入,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
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目录- Zener Diodes
型号- 1N4755A,1N4731A,1N4743A,BZV55C13,BZV55C12,BZV55C11,BZT52B7V5,BZV55C10,BZV55C16,MMBZ5246B,BZV55C15,MMBZ5258B,MMBZ5222B,MMBZ5234B,BZV55C18,MMSZ5258B,BZX84C22,MM3Z7V5,BZT52B6V2S,BZX84C20,MMSZ5222B,MMSZ5234B,MMSZ5246B,DL5250B,BZX84C27,DL5262B,DL4728A,BZX84C24,BZT52C9V1,BZV55C20,DL4729A,1N4742A,1N4754A,BZV55C24,1N4730A,BZV55C22,MM5Z3V9,MMBZ5259B,BZV55C27,MMBZ5235B,BZV55C5V1,MMBZ5247B,MMBZ5223B,MM5Z3V0,BZX84C33,BZV55C5V6,MMSZ5259B,MM5Z3V3,BZX84C30,MMSZ5223B,MM5Z3V6,MMSZ5235B,DL5263B,BZX84C39,DL5251B,BZX84C36,BZX55C8V2,BZT52B5V6S,1N4733A,1N4745A,BZT52B6V2,BZT52B6V8,MMBZ5244B,MM3Z6V8,MMBZ5256B,BZV55C100,MMBZ5232B,MMSZ5236B,MMSZ5248B,1SMA4752-GT3,DL5260B,1N5280B,1SMA4760-GT3,1N4746A,1N4758A,DL4738A,BZT52C7V5S,BZT52C8V2,1N4744A,BZT52C8V2S,1N4756A,BZT52C6V8S,1N4732A,MMBZ5257B,MMBZ5245B,BZV55C4V3,MMBZ5221B,BZX84C10,MMSZ5225B,BZX84C11,BZV55C4V7,MMSZ5237B,MM5Z2V4,MM5Z2V7,BZX84C18,DL5261B,BZX84C16,BZX55C9V1,BZX84C15,BZX84C12,1N4757A,DL4739A,BZX84C13,BZT52B9V1,1N5270B,MMBZ5226B,MMSZ5241B,BZT52C5V6S,MM3Z9V1,BZT52B5V1S,MMSZ5254B,1N4748A,DL4748A,DL4736A,1N4736A,1N4734A,1N5281B,BZX55C6V2,MMBZ5239B,MM5Z5V6,MMBZ5227B,MMSZ5230B,MMSZ5242B,BZT52C6V2S,1SMA4759-GT3,BZV55C7V5,MM5Z5V1,MMSZ5243B,MMSZ5255B,BZX55C6V8,1N4759A,DL4737A,1SMA4745-GT3,1N4735A,1N4747A,DL4749A,1N5272B,BZT52B8V2,1N5260B,1SMA4751-GT3,MMBZ5248B,MMBZ5236B,MMSZ5231B,1SMA4744-GT3,MM3Z8V2,1SMA4761-GT3,MMSZ5232B,MMSZ5256B,DL4746A,DL4734A,1N4738A,DL4758A,BZT52B3V9S,1N5271B,MMBZ5237B,MM5Z4V7,MMBZ5225B,BZV55C6V2,BZV55C6V8,MMSZ5221B,MM5Z4V3,MMSZ5245B,MMSZ5257B,DL4735A,1N4737A,DL4759A,1N4749A,DL4747A,BZX55C7V5,BZT52B4V7S,1N5250B,ZMM5260B,1N5262B,1N5274B,MMBZ5250B,BZX84C9V1,BZT52B3V3S,DL4744A,DL4732A,1N4728A,DL4756A,1N5261B,1N5273B,ZMM5261B,MM5Z7V5,1SMA4746-GT3,BZT52C5V1S,BZV55C9V1,MMBZ5251B,DL4733A,1N4739A,DL4757A,DL4745A,BZT52B2V7S,BZV55C75,1N5240B,1N5276B,1N5252B,1N5264B,ZM4728A,BZT52C4V7S,DL4742A,DL4730A,DL4754A,1N5225,BZV55C82,1N5227,1N5226,1N5229,BZT52C3V9S,1N5228,1N5251B,1SMA4754-GT3,1N5263B,1N5275B,ZM4729A,MM5Z6V8,BZV55C8V2,BZT52B3V6S,BZT52B4V3S,MM5Z6V2,1N5230,DL4731A,1N5232,DL4755A,1N5231,DL4743A,1N5234,1N5233,1N4729A,1N5236,1N5235,1N5238,BZV55C91,1N5237,1N5239,BZV55C51,1N5254B,1N5266B,BZV55C56,1N5230B,1N5242B,1N5278B,MMBZ5242B,BZT52C2V7S,MMBZ5254B,MMBZ5230B,BZX84C7V5,MMSZ5226B,DL4740A,1N5241,DL4764A,1N5240,DL4752A,1N5243,1N5242,1N5245,1N5244,1N5247,1N5246,1N5249,1N5248,1SMA4747-GT3,BZV55C62,1N5265B,BZV55C68,1N5277B,1N5241B,1N5253B,BZT52C18S,BZT52C3V3S,MMBZ5255B,MMBZ5231B,MMBZ5243B,MMSZ5227B,MMSZ5239B,1N5250,MM5Z9V1,1N5252,DL4753A,BZT52B3V0S,1N5251,DL4741A,MM5Z75,1N5254,1N5253,1N5256,1N5255,1N5258,1N5257,1N5259,BZV55C30,1N5232B,1N5244B,BZV55C33,BZV55C39,BZT52C4V3S,1N5256B,1N5268B,BZV55C36,BZT52C3V6S,MMBZ5240B,MMBZ5252B,BZX84C8V2,MMSZ5228B,1N5261,DL4762A,1N5260,DL4750A,1N5263,1N5262,1N5265,1N5264,1N5267,BZT52B2V4S,1N5266,1N5243B,1N5255B,1N5231B,BZV55C43,1N5267B,1N5279B,BZV55C47,MMBZ5241B,DL4751A,MM5Z8V2,1SMA4753-GT3,DL4763A,MMSZ5229B,1SMA4756-GT3,BZX55C188,BZX55C27,ZM4758A,1N5222B,ZM4746A,ZM4734A,1N5258B,BZT52C39S,BZT52B18S,BZX55C24,1N5234B,1N5246B,BZX55C180,BZX55C20,BZT52C27S,1SMA4748-GT3,BZT52C15S,BZX55C22,BZX84C5V6,DL4760A,MM5Z47,MM3Z18V,BZX84C5V1,1SMA4764-GT3,ZMM5244B,ZMM5256B,ZMM5232B,MM5Z43,1N5221B,BZX55C16,ZM4747A,1N5233B,ZM4735A,BZX55C18,1N5269B,BZX55C12,BZX55C13,1N5245B,1N5257B,BZX55C15,ZM4759A,BZT52C14S,BZX55C10,BZX55C11,MM5Z39,MM5Z36,DL4761A,ZMM5257B,MM5Z30,ZMM5233B,ZMM5245B,ZMM5221B,MM5Z33,ZM4732A,BZX55C160,ZM4756A,ZM4744A,1N5236B,BZT52C17S,1N5248B,BZX55C47,1N5224B,DL5229B,BZX55C43,BZX84C6V8,BZT52B43,BZX55C51,BZX84C6V2,MM5Z62,MM5Z68,ZMM5242B,ZMM5254B,ZMM5230B,BZX55C150,BZX55C39,ZM4757A,ZM4745A,ZM4733A,BZT52C2V4S,1N5247B,BZT52C28S,1N5259B,1N5223B,BZX55C36,1N5235B,BZX55C30,BZT52C16S,BZX55C33,MM5Z51,ZMM5255B,1SMA4741-GT3,ZMM5231B,MM5Z56,ZMM5243B,DL5227B,BZT52C11S,1N5226B,BZX55C68,ZM4738A,BZT52C47S,DL5239B,1N5238B,1SMA4755-GT3,BZX84C3V9,BZX84C3V6,BZX84C3V3,BZX84C3V0,ZMM5240B,ZMM5252B,BZT52C10S,BZT52B13S,BZT52C22S,BZT52C3V6,BZT52C3V9,1N5225B,BZX55C56,BZT52C3V0,1N5237B,ZM4739A,BZT52C3V3,DL5228B,1N5249B,1SMA4750-GT3,BZX55C62,MM3Z15V,ZMM5253B,ZMM5241B,DL5225B,ZMM5250B,DL5249B,DL5237B,ZM4736A,ZM4748A,BZT52C13S,BZT52B16S,1N5228B,BZX84C4V7,MM5Z27,BZX84C4V3,BZX55C91,MM3Z16V,MM5Z20,MM5Z24,MM5Z22,ZMM5262B,BZT52C12S,DL5238B,BZT52C2V7,DL5226B,ZM4749A,ZM4737A,BZT52C36S,BZT52B15S,BZT52C2V4,BZT52C24S,BZX55C75,BZT52B39S,1N5227B,BZT52B27S,1N5239B,MM5Z16,BZX55C82,1SMA4749-GT3,MM5Z15,MM5Z18,MM5Z13,MM5Z12,MM5Z11,ZMM5251B,MM5Z10,ZMM5263B,BZT52C43S,BZT52B22S,BZT52B3V6,DL5247B,BZT52B10S,DL5235B,BZX55C100,DL5259B,1SMA4760,ZM4762A,1SMA4761,1SMA4762,DL5223B,1SMA4763,BZT52B3V9,BZV55C160,1SMA4764,BZT52B3V3,MM3Z10V,BZT52B3V0,BZT52B9V1S,MM3Z22V,ZMM5228B,ZM4750A,BZT52B33S,DL5236B,BZT52C5V6,DL5224B,ZM4763A,BZX55C4V3,DL5248B,1SMA4762-GT3,ZM4751A,BZT52C30S,BZV55C150,MMSZ5250B,BZT52C18,BZT52C5V1,1N5229B,BZT52C10,BZT52C11,MM3Z11V,BZT52C12,BZT52C13,ZMM5229B,BZT52C15,BZT52C16,1SMA4758-GT3,BZX55C4V7,BZT52B2V7,1SMA4743-GT3,DL5257B,BZT52B24S,BZT52C33S,BZT52B12S,DL5221B,BZV55C180,MMBZ5228B,DL5245B,1SMA
桑德斯(SMC)桥式整流器选型指南
型号- GBU1006,UG4KB10,UG4KB100,GBU1004,GBU1002,MB10S,GBU1001,KBP2005G,MB6F,MB10F,DF156,DF157,DF154,DF155,MB6S,DF152,DF151S,DF153,DF151,GBPC3510,DF07,DF06,FTB2F-15,DF05,DF04,DF03,DB107S,DF02,GBU4005,DF01,SM2S,RMB6S,GBU408G,DB151S,UG4KB20,FTB4F-15,DF150S,ABS8,KBP204G,ABS6,DF158S,SM1S,ABS4,ABS2,MB8F,ABS10,DF1510S,GBJ25005,FTB6F-15F,MB8S,GBJ2510,DB105S,FTB6F-15,DB157S,SM4S,MB05S,GBU1010,GBU406G,UG4KB40,GBU410G,GBJ2502,GBJ2504,GBPC35005,GBJ2501,MB05F,DB106S,DF156S,KBP206G,FTB8F-15,GBJ2506,KBP210G,GBJ2508,GBU1008,GBU4005G,DB154S,GBPC2508,FTB4F-15F,FTB10F-15,GBPC2501,GBPC2502,MB2F,GBPC2506,GBPC2504,SM6S,MB2S,FTB1F-15,DB103S,DB155S,FTB10F-15F,GBU404G,MB1F,GBPC2510,UG4KB60,RMB2S,KBP208G,MB1S,DB156S,DB104S,DF154S,FTB1F-15F,GBU10005,DB152S,MB4F,GBU410,GBU401G,SM10S,GBU406,GBU408,SM8S,MB4S,DB101S,KBP201G,DB153S,RMB4S,SM05S,GBPC3508,FTB8F-15F,UG4KB05,GBPC3502,UG4KB80,GBU401,FTB2F-15F,GBPC3501,GBU402G,GBPC25005,GBPC3506,GBU402,GBPC3504,GBU404,DB102S,DF152S,KBP202G
桑德斯(SMC)肖特基芯片选型指南
目录- Schottky chip
型号- SD110SB60A/B,SD200SC200A/B/C,SD035SE30A/B,SD121SC150A/B/C,SD072SD15A/B,SD055SB45A/B,SD070SD15A/B,SD035SD15A/B,SD200SD15A/B/C,SD070SC100A/B,SD098SB45A/B,SD200SA45A/B/C,SD055SC100A/B,SD091SA80A/B,SD200SE45A/B/C,SD071SC150A/B,SD070SE30A/B,SD072SE30A/B,SD090SC150A/B/C,SD090SC100A/B/C,SD110SN100A,SD170SA80A,SD070SN150A,SD170SC100A/B,SD055SA60A/B,SD090SA30A/BC,SD071SN150A/B,SD055SN100A/B,SD200SA60A/B/C,SD040SD15A/B,SD125SD15A/B/C,SD170SN100A,SD060SA60A/B,SD067SA45A/B,SD275SC150A/B/C,SD088SD15A/B/C,SD175SC150A/B/C,SD088SB60A/B,SD121SA45A/B,SD067SB60A/B,SD275SE30A/B/C,SD121SC100A/B/C,SD275SA30A/B/C,SD067SE30A/B,SD071SN100A,SD088SA80A/B,SD121SE30A/B,SD060SC200A/B,SD170SE45A/B,SD035SA45A/B,SD067SN150A,SD125SA60A/B/C,SD098SC100A/B,SD072SC200A/B,SD175SC100A/B/C,SD098SA60A/B,SD055SA30A/B,SD110SA45A/B,SD175SN100A,SD085SD15A/B/C,SD045SC150A/B,SD275SC100A/B/C,SD040SA30A/B,SD170SA60A/B,SD090SE30A/B/C,SD040SC100A/B,SD070SB45A/B,SD067SA30A/B,SD072SB45A/B,SD175SB45A/B/C,SD090SA45A/B/C,SD110SD15A/B,SD070SA80A/B,SD067SC150A/B,SD110SC150A/B/C,SD121SA30A/B,SD175SE45A/B/C,SD121SN100A,SD275SB60A/B/C,SD070SA45A/B,SD175SE30A/B/C,SD125SB60A/B/C,SD045SA45A/B,SD070SA30A/B,SD060SN100A,SD060SE45A/B,SD035SE45A/B,SD071SA60A/B,SD088SA60A/B,SD088SN100 A/B,SD040SB45A/B,SD085SA30A/BC,SD090SB60A/B/C,SD275SA45A/B/C,SD045SD15A/B,SD071SC100A/B,SD110SA30A/B,SD125SE45A/B/C,SD067SB45A/B,SD071SE45A/B,SD072SA30A/B,SD040SE30A/B,SD175SA60A/B/C,SD125SE30A/B/C,SD110SC200A/B,SD071SC200A/B,SD125SC100A/B/C,SD121SD15A/B,SD055SC150A/B,SD040SC150A/B,SD121SB45A/B,SD090SD15A/B/C,SD085SA60A/B,SD040SA45A/B,SD067SC100A/B,SD060SB60A/B,SD071SB60A/B,SD090SN100A,SD050SC100A//B,SD035SB60A/B,SD067SD15A/B,SD045SB45A/B,SD170SC150A/B/C,SD275SD15A/B/C,SD071SD15A/B,SD098SA45A/B,SD055SC200A/B,SD200SC100A/B/C,SD070SC200A/B,SD110SB45A/B,SD200SE30A/B/C,SD200SB45A/B/C,SD098SB60A/B,SD071SE30A/B,SD200SA30A/B/C,SD110SC100A/B,SD125SN100A,SD098SE30A/B/C,SD121SA60A/B,SD175SC200A/B/C,SD040SE45A/B,SD110SA60A/B,SD170SA30A/B,SD067SN100A,SD275SC200A/B/C,SD045SA30A/B,SD055SE45A/B,SD060SE30A/B,SD072SE45A/B,SD085SB60A/B,SD125SB45A/B/C,SD200SC150A/B/C,SD045SE30A/B,SD110SE30A/B/C,SD121SC200A/B/C,SD175SB60A/B/C,SD035SA60A/B,SD098SE45A/B,SD088SB45A/B,SD035SC200A/B,SD070SC150A/B,SD067SC200A/B,SD040SB60A/B,SD170SB45A/B,SD060SA45A/B,SD045SC100A//B,SD170SD15A/B,SD070SN100A,SD088SA30A/BC,SD072SN150A,SD170SC200A/B,SD055SB60A/B,SD072SA60A/B,SD071SA45A/B,SD050SD15A/B,SD055SD15A/B,SD072SC100A/B,SD067SE45A/B,SD055SE30A/B,SD175SD15A/B/C,SD040SA60A/B,SD071SB45A/B,SD090SB45A/B/C,SD170SE30A/B/C,SD040SC200A/B,SD072SB60A/B,SD091SN150A,SD175SA45A/B/C,SD071SA80A/B,SD125SC150A/B/C,SD121SE45A/B,SD170SA45A/B,SD275SA60A/B/C,SD035SC100A/B,SD175SA30A/B/C,SD072SN100A/B,SD090SE45A/B/C,SD070SB60A/B,SD085SA45A/B,SD170SB60A/B,SD060SD15A/B,SD085SE45A/B/C,SD072SA45A/B,SD035SB45A/B,SD045SB60A/B,SD072SC150A/B,SD091SC150A/B/C,SD275SB45A/B/C,SD085SB45A/B,SD125SA45A/B/C,SD275SE45A/B/C,SD070SE45A/B,SD060SB45A/B,SD088SE45A/B/C,SD085SE30A/B/C,SD98SD15A/B,SD071SA30A/B,SD110SE45A/B,SD088SE30A/B/C,SD125SA80A/B,SD060SC100A/B,SD125SC200A/B/C,SD125SA30A/B/C,SD098SA30A/B,SD121SB60A/B,SD045SC200A/B,SD067SA60A/B,SD035SC150A/B,SD045SN100A,SD090SC200A/B/C,SD055SA45A/B,SD060SA30A/B,SD045SA60A/B,SD200SB60A/B/C,SD060SC150A/B,SD091SC200A/B,SD045SE45A/B,SD035SA30A/B,SD088SA45A/B,SD070SA60A/B,SD090SA60A/B/C
Comchip(典琦)Rectifier选型表
如下表格可为客户提供Comchip(典琦)SMD肖特基桥整流器,低VF SMD肖特基桥整流器,SMD效率快速恢复整流器选型,产品具有ABS、MBS,SMC,TO-277B等多种封装形式,覆盖VRRM(V)范围:+0.857~+200;VF(V)范围:+0.1~+600;IR(uA)范围:+5~+1000;IO(A)范围:+1~+5;Trr(ns)范围:+20~+25;IFSM(A)范围:+20+150,满足AECQ认证标准,该产品适用于汽车,家电,通讯,仪表仪器,工控,物联网等领域。
产品型号
|
品类
|
IO(A)
|
VRRM(V)
|
VF(V)
|
IR(uA)
|
IFSM(A)
|
Package
|
CDBABS210-HF
|
SMD Schottky Bridge Rectifiers
|
2
|
100
|
0.85
|
50
|
50
|
ABS
|
选型表 - Comchip 立即选型
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