bow and twist and in and bga - SMT Electronics Manufacturing

Electronics Forum: bow and twist and in and bga (Page 1 of 1)

Standard of PCB Bow and Twist in Incoming Inspecion

Electronics Forum | Thu Feb 27 12:27:10 EST 2003 | stevel

Hi all, We got some bare pwb in our incoming inspecion looked really wrapped. The maximum twist of the pwb we messured is 0.056inch by following the method in IPC-TM-650 2.4.22 C. (The diagonal size of our pwb is 7.5inch) According to the IPC standa

Standard of PCB Bow and Twist in Incoming Inspecion

Electronics Forum | Fri Feb 28 09:08:03 EST 2003 | davef

Without drilling through the numbers, they're probably correct. Recognize that standard warp / twist specs [IPC-A-610 1.5% for PTH only and 0.75% for SMT] are not going to make it on tech boards. You need to define specific requirements. This warp

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Electronics Forum: bow and twist and in and bga (Page 1 of 1)

Standard of PCB Bow and Twist in Incoming Inspecion

Standard of PCB Bow and Twist in Incoming Inspecion

bow and twist and in and bga searches for Companies, Equipment, Machines, Suppliers & Information