Electronics Forum: mark off pcb (Page 1 of 127)

fiducial mark

Electronics Forum | Tue Mar 02 22:40:52 EST 2004 | pdeuel

To clean up other replys I will add that some most all machines have global correction. Most placements are an off sets from pcb 0,0 usually the lower left corner of the board. When the machine locates the fiduitals and these fids are not exactly whe

fiducial mark

Electronics Forum | Wed Mar 03 13:33:25 EST 2004 | stefwitt

How well should the fiducial be centered in the teach mode? Consider that you see the fiducial with probably 40 times magnification on the monitor. If you see the cross-hair a bit off center, then this is most likely just by a few hundreds of a milli

fiducial mark

Electronics Forum | Mon Mar 01 20:53:28 EST 2004 | Ken

How does a fiducial work? I am going to venture a guess as how it ralates to the parts you are trying to place... A PCB fiducial is a landmark. The fiducial tells the machine where the board is located in the machine. A single fid can only deter

Fiducial mark

Electronics Forum | Wed Aug 17 15:30:56 EDT 2005 | DannyJ

Hi Jaya, Here's a definition, towards the bottom of the listing... http://en.wikipedia.org/wiki/Fiducial Mainly, a 'global' fiducial refers to the outside of the board, usually on the scrap rails. This allows the machine to locate two reference

ce mark logo on pcb ?

Electronics Forum | Wed Jun 11 07:44:04 EDT 2008 | davef

To get started, look here: http://en.wikipedia.org/wiki/CE_mark

ce mark logo on pcb ?

Electronics Forum | Wed Jun 11 04:10:26 EDT 2008 | bahabaha

Hi,, I need to put CE maek on my pcb , but I was told to follow the standard , what is the font type we need ? how can I add picture to pcb ?

Re: fiducial mark placement

Electronics Forum | Sat Dec 11 11:01:11 EST 1999 | Mark W.

In answer to your question no. Fiducials should always be as far apart from each other in both directions (X,Y) as possible. This will allow ANY placement machine to calculate the EXACT location and rotation of the PCB, and therefore correct the moun

Solder mark thickness on PCB

Electronics Forum | Tue Jan 09 01:39:41 EST 2018 | jaisabaigroup

Is there any regulation I can check on the Solder mark thickness specification? Or it is depends on PCB manufacturer's design.

Solder mark thickness on PCB

Electronics Forum | Tue Jan 09 08:36:17 EST 2018 | pavel_murtishev

IPC-SM-840. If overall thickness is not specified in purchasing documents, a supplier will do whatever it wants. Specify your requirements. Typical values are 20-50um. Regards

Solder mark thickness on PCB

Electronics Forum | Thu Jan 11 04:23:08 EST 2018 | jaisabaigroup

IPC-SM-840. > > If overall thickness is not > specified in purchasing documents, a supplier > will do whatever it wants. > > Specify your > requirements. Typical values are > 20-50um. > > Regards Thank you very much, Pavel.

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