?ó??:?????í??Thermal and anti-pad??? - PCB???? - 我要委托设计网论坛

candence

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发表于 2004-8-21 22:21 资料个人空间短消息加为好友

?ó??:?????í??Thermal and anti-pad???

1.??TOP??BOTTOM?ò????VIA(??????°?×?????),?ò??VIA???è??????????GND,VCC?à??,?ù?????è???¨??regular and anti-pad, ?ò??thermal????????????VCC,GND?à??,?????????í?????

2.SMD?ò????TOP?ò??BOTTOM,????????????,?ù?????è???¨??Thermal and anti-pad.????×????????????±?ò???¨??thermal and anti-pad,????????????°??

???÷????????????????????thermal and anti-pad??????×÷??,?°???????é??????×÷??.
[???ù±?candence??2004-08-21 10:37 PM????±à??]

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发表于 2004-8-22 12:18 资料个人空间短消息加为好友

VIA???è???????????·?à?????????¨??????????pad??????????????thermal??????????????????????????????±í???????è???????ùnet??shape????????????????thermal????

???í?ì?????????????á°ò±?????

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发表于 2004-8-22 12:24 资料个人空间短消息加为好友

thermal??×÷?????±?è??PAD?????§?????????¨?¨????GND?ò??VCC???±??????·????ú?ú?ó???????????????????¨·????????±?ò?????????????ì?????????????????????????ì???·?????????ù??????????PAD?????§?????????§?????í?????è???ú????

???í?ì?????????????á°ò±?????

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发表于 2004-8-23 17:34 资料个人空间短消息加为好友

QUOTE:

??????????candence??2004-08-21 10:21 PM·?±í?? ?ó??:?????í??Thermal and anti-pad???:
1.??TOP??BOTTOM?ò????VIA(??????°?×?????),?ò??VIA???è??????????GND,VCC?à??,?ù?????è???¨??regular and anti-pad, ?ò??thermal????????????VCC,GND?à??,?????????í?????

2.SMD?ò????TOP?ò??BOTTOM,????????????,?ù?????è???¨??Thermal and anti-pad.????×????????????±?ò???¨??thermal and anti-pad,????????????°??

.......

1???ò??via???¨????????????????°???????????????????gnd?òvcc?????ù??????×?via???±?ò???????¨??thermal???????è??????·????á×???±???????
2??smd??????????±?????thermal??anti Pad?????ò????????????

?????§???????????°????????
---------------------------------------

candence

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发表于 2004-8-23 21:54 资料个人空间短消息加为好友

?×??????ZONA AND APPLE!!!
1??????????×?????????????SMD???????é???????è???¨??THERMAL AND ANTI PAD. ??????±??????????????è?????????????????é????
2??×???×è????????????????????·?×°???±?ò??????????????????180??°?????????×??á???????ù???á????
3??PLACE???ó??GND????VCC??·????????????±??????NET????GND,VCC??PLANE????°???

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发表于 2004-8-23 22:30 资料个人空间短消息加为好友

QUOTE:

??????????candence??2004-08-23 9:54 PM·?±í?? :
?×??????ZONA AND APPLE!!!
1??????????×?????????????SMD???????é???????è???¨??THERMAL AND ANTI PAD. ??????±??????????????è?????????????????é????
2??×???×è????????????????????·?×°???±?ò??????????????????180??°?????????×??á???????ù???á????
3??PLACE???ó??GND????VCC??·????????????±??????NET????GND,VCC??PLANE????°???

?????????????????????á????????

2,???è?????????????á·??ú
3,??????GND net??????plane?á???á????????????·????????á·???plane???????????ó??plane?????????ü·?????????????

???í?ì?????????????á°ò±?????

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发表于 2004-8-23 22:33 资料个人空间短消息加为好友

?÷??plane????????Cadence????????°???????????cadence????shape??????plane??????PADS????????????

???í?ì?????????????á°ò±?????

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发表于 2004-8-24 13:14 资料个人空间短消息加为好友

·???????????GND??VCC???????????ù??NET????GND??VCC???÷×???????????·????ì?????????????ü??°ì·¨???÷????????

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发表于 2004-8-24 17:12 资料个人空间短消息加为好友

??????????????????×÷??????Display-->Blank Rats-->Nets,???ó???÷VCC net??VCC??·????????????????ù?????????????÷GND net?¨??????GND??????????PAD??,??????????
??????°???×?·¨????Blank??2??net?ó??????????(Highlight net)??·?·¨??????2??NET??PAD???????????¨net????????

???í?ì?????????????á°ò±?????

candence

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发表于 2004-8-25 12:09 资料个人空间短消息加为好友

??????????????????
THANKU U VERY MUCH??

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发表于 2004-8-25 12:21 资料个人空间短消息加为好友

????????????????Cadence?ó????

???í?ì?????????????á°ò±?????