Silvaco²Ù×÷Ö¸ÄÏ-53Ò³ ÏÂÔØ±¾ÎÄ

µÚ¶þƪ SilvacoÈí¼þʹÓÃÖ¸ÄÏ

Figure 42: ²é¿´Mesh ºÍXj.

Ϊ²é¿´¹µµÀÖеÄÒ»¸öÕýÔÚ²ôÔÓµÄÂÖÀªÔÚTonyplotÑ¡Tools ... Cutline in¡£Èçͼ43µÄÒ»¸öµ¯³ö²Ëµ¥³öÏÖÁË¡£ÔÚMOSFET Öл­Ò»¸öÊúÖ±Ïߣ¬Äã¿´µ½µÄ½á¹ûÈçͼ44¡£

Figure 43: Creating a Cutline to View Doping Profile.

µÚ¶þƪ SilvacoÈí¼þʹÓÃÖ¸ÄÏ

Figure 44: Output of Cutline.

Ϊ¿´µ½Phosphorous ¼°Boron ²ôÔÓŨ¶È£¬µã»÷²ôÔÓÂÖÀª´°¿Ú(¸Õ²Å³öÀ´µÄ£¬ÓұߵĴ°¿Ú)£¬ÓÐÒ»¸ù°×É«ÏßÎ§ÈÆËü¡£È»ºóÔÚTonyplotÖеÄPlot¡­ Display ÔòÒ»¸öµ¯³ö²Ëµ¥Èçͼ45³öÏÖ.Ñ¡ÔñBoronºÍPhosphorous £¬²¢µã»÷apply. Äã¿´µ½µÄ½á¹ûÈçͼ46

Figure 45: Ñ¡Ôñ²é¿´Boron ºÍPhosphorus µÄ²ôÔÓŨ¶È.

Figure 46: ¿´BoronºÍPhosphorous²ôÔÓŨ¶È.

µ½Tools... Ruler Î§ÈÆpoly siliconÕ¤»­Ò»¸ö·½¿òÀ´²âÁ¿Ëù»­µÄMOSFETµÄÕ¤³¤¡£

µÚ¶þƪ SilvacoÈí¼þʹÓÃÖ¸ÄÏ

Figure 47: Using the ruler to measure the as drawn Gate Length.

Ϊ²âÁ¿ÔÚÁãÆ«Ñ¹ÏµÄÓÐЧ¹µµÀ³¤¶È£¬Ê¹ÓÃcutline ¹¤¾ßºá¿ç¹µµÀ»­Ò»¸öˮƽÏß¾¡¿ÉÄܵؽӽüÕ¤Ñõ»¯²ã¡£´Ó½á´¦»­Ò»¸ö±ê³ßÈçͼ48£¬Äã»áµÃµ½Ò»¸öÔ¼0.4 mircons µÄ¹µµÀ³¤¶È¡£

Figure 48: Effective Channel length.

3.3 ²é¿´µçѧ·ÂÕæ½á¹û

ÊäÈëÃüÁîºó£¬ÔÚ¼¸·ÖÖÓºóVGÓëVD¼°IDµÄͼÈçͼ50. VT, KN ºÍtheta ¾ù´Órun deck´°¿ÚµÄÇúÏßÖгéÈ¡(Figure 49).

Figure 49: ³éÈ¡µÄNMOS ²ÎÊý.

Atlas Report±íÃ÷½öʹÓÃ2·ÖÖÓµÄʵ¼Êʱ¼ä(Figure 52).½µµÍÁ˼ä¾à²¢ÔÙ´ÎÔËÐзÂÕæ (Figure 53) ¡£·ÂÕæÊ±¼äÉÏÉý£¬µ«¾«¶È±£³ÖÏàͬ¡£ÔٴλæÖÆ£¬Äã»á¿´µ½Íø¸ñ¸üϸÁË¡£ÓÐʱÄãÏë¶ÁͼÉÏÒ»¸öÖ¸¶¨µÄµã£¬¿ÉÒÔͨ¹ýTools...HP4145À´×ö¡£Äã¿ÉÒÔÒÆ¶¯¹â±êµ½Ã¿Ò»Êý¾Ýµã¡£ÄãÒ²¿ÉÒÔ»­ÏßÀ´³éÈ¡ÔÚ±¥ºÍÇøµÄÒ»¸öMOSFETÇúÏßµÄXÏòºá½ØÃæ¡£ (Lambda).

µÚ¶þƪ SilvacoÈí¼þʹÓÃÖ¸ÄÏ

Figure 50: VG, vs. ID (VD=.1V).

Figure 51: Using the HP4145 function to view individual points.

Figure 52: Time used.