Electronics Forum: arrays (Page 1 of 49)

lnfrared led & detector arrays

Electronics Forum | Thu Apr 09 22:32:58 EDT 1998 | Lou Silverstine

We are tring to locate a 9 segment LED & dectector array. It is used in a coin reader to measure the diameter of a coin. Any help in locating such an array will be highly appreciated.

8 way 1606 resister arrays

Electronics Forum | Fri Mar 21 20:24:13 EST 2003 | msimkin

Has anyone had success in soldering these devices, in particular devices from a company callede Pycomp. They are 8 way 0402 sized terminations. I have experemented with the printing process, placement verification & reflow profile. Unfortuanlty, I am

INFRARED EMITTER & DETECTOR ARRAYS

Electronics Forum | Tue Apr 07 19:36:41 EDT 1998 | LEON MARTIN

WE ARE TRING TO LOCATE A 9 SEGMENT, INFRARED EMITTER ARRAY & 9 SEGMENT INFRARED DETECTOR ARRAY. THEY ARE USED IN A COIN READER TO MEASURE THE DIAMETER OF THE COIN. THE SIZE OF THE ARRAYS ARE, 1.6 BY .297 INCHES. ANY HELP WILL BE APPRECIATED.

BGA and PGA

Electronics Forum | Sat Jul 29 02:46:33 EDT 2006 | rogerw_tech

hi everyone what does ball grid array and pin grid array mean? thank

BGA and PGA

Electronics Forum | Sat Jul 29 09:10:16 EDT 2006 | davef

Ball Grid Array (BGA). A surface mount technology leadless package with the connectors to the board placed in an array on the bottom of the package. They are attached to the board with tiny balls of solder placed on each contact. Pin Grid Array (P

PCB TOLERANCE - PANEL ARRAY VS SINGLE

Electronics Forum | Fri Jul 14 16:32:55 EDT 2023 | calebcsmt

Does class 2 vs class 3 PCBs effect variance/tolerance in terms of actual positioning of pads/traces? For example, if fiducial is to be at 10mm. What's the tolerance for class 2 vs class 3? [variance allowed] Does panelization have any effect on t

PCB Array Designs

Electronics Forum | Tue Jun 05 12:12:19 EDT 2007 | SWAG

We do not recommend array sizes. PCB houses take a single board and turn it into a step/repeat that is best fit for their process = cheaper boards I suppose. We then approve this array and build programs and tooling to match. On occasion, we recei

BGA's shorting

Electronics Forum | Wed Oct 03 12:02:04 EDT 2001 | kjwaskow

We are getting solder blobs forming in open areas of the BGA, between the center array and outer array. THe ceter array balls are starved of solder, so they are presumably the source. The theory we hold is possible moisture causing the solder to mo

Koh Young Fiducial error multi-up panels

Electronics Forum | Tue Jun 11 07:15:16 EDT 2019 | SMTA-John

From what I understand, in the PCB Info window that first pops up when you open CEditor, the number of fids is multiplied by the number of arrays. So if you have a 4-up panel and you enter No. of Arrays = 4 and No. of fids = 2, the machine will look

Saki BF-FrontierII

Electronics Forum | Fri Oct 11 09:02:33 EDT 2024 | carl_p

Just the arrays or arrays, drivers, control boards etc etc If it's just arrays a keyance camera system would work & can just be mounted to a current conveyor. Does your pick up machine have an add on option to inspect placements? most printers can

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