1. Nowhere
2. Top and bottom done concurrently.
3. I would -suggest- .003 as a max. misalignment top to bottom.
Tim Reeves
ECD

|-----Original Message-----
|From: Hamilton, Richard CLE 4454 [mailto:[log in to unmask]]
|Sent: Tuesday, January 30, 2001 12:01 PM
|Subject: V-Grove on PWB's
|
|
|Hello all,
|
|Looking for rough feedback on how you apply IPC standards to
|V-Groves on
|boards. Also, (1)where in the IPC specs do you find such specifications?
|
|Do you apply what is there or are other factors applied for variances.
|
|Also, from the board fab houses that hang out here, (2)is this
|process done top
|and bottom at one time, or is each side grooved on its own?
|(3)What would be an
|acceptable alignment (top to bottom) tolerance?
|
|As usual, Thanks in advance!!
|
|Richard Hamilton
|Clemar Mfg. / Rain Bird
[log in to unmask]
|

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