Electronics Forum: ipc-tm-650

I am looking for an IPC spec for intentional PCB warp

Electronics Forum | Mon Dec 22 16:20:03 EST 2014 | warwolf

Basically the contract comes first, then the design drawings then IPC. if your costumer is asking you to bend the PCB then it becomes apart of the design drawings. as for looking for a cover, get it in writing that that's what they want you to do. I

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

pcb board deflection when mounting component

Electronics Forum | Mon Oct 28 18:59:25 EST 2002 | tkenny007

Specs for Bow and Twist for PCBs (IPC-A-610C, 10.6. There may be an update by now). I also have a note in our quality guide referencing (IPC-TM-650, 2.4.22) and (MIL-STD-105D). In summary, a PCB should not bow more than 0.040" with all four corner

warpage for 152mm length PCB

Electronics Forum | Thu Aug 09 07:53:16 EDT 2012 | davef

Allowable bow & twist: Together, both IPC-A-600G and IPC-6012B represent the core IPC documents for describing the acceptable and nonconforming conditions that are either externally or internally visible on finished printed boards. IPC-A-600G relies

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