Jun 8, 2007 #1 Y yoogle Newbie level 2 Joined Jun 8, 2007 Messages 2 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,292 Hi, why some foundries need a sealring but some not
Jun 8, 2007 #2 J jerryzhao Full Member level 3 Joined Oct 8, 2005 Messages 165 Helped 24 Reputation 48 Reaction score 4 Trophy points 1,298 Activity points 2,365 sealring question Whitch foundry did not need seal ring? Did you really tapeout in this foundry that they donn't nee seal ring(tapeout form not write need foundry add seal ring). I know some foundry can help customer add seal ring when customer to requirement.
sealring question Whitch foundry did not need seal ring? Did you really tapeout in this foundry that they donn't nee seal ring(tapeout form not write need foundry add seal ring). I know some foundry can help customer add seal ring when customer to requirement.
Jun 8, 2007 #3 C chenjia Member level 3 Joined Apr 16, 2005 Messages 67 Helped 4 Reputation 8 Reaction score 0 Trophy points 1,286 Activity points 1,531 sealring question sealring is a necessary step in your chip, sometimes fab can add this for you.When you know the function of sealring, I should have the answer.
sealring question sealring is a necessary step in your chip, sometimes fab can add this for you.When you know the function of sealring, I should have the answer.
Jun 9, 2007 #4 S skymusic Member level 3 Joined Jun 29, 2004 Messages 57 Helped 6 Reputation 12 Reaction score 4 Trophy points 1,288 Activity points 393 Re: sealring question Sealring is needed to protect die.
Jun 11, 2007 #5 Y yoogle Newbie level 2 Joined Jun 8, 2007 Messages 2 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,292 sealring question hi now i know that the foundry added a sealring for us,it is needed. thank you