Category:PCB BGA

Group Administrators: 1 | Group Member: 102 | Group Threads: 97

A ball grid array (BGA) is a type of surface-mount packaging (a chip carrier) used for integrated circuits. BGA packages are used to permanently mount devices such as microprocessors. A BGA can provide more interconnection pins than can be put on a dual in-line or flat package. The whole bottom surface of the device can be used, instead of just the perimeter.

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3 comments
945 views

Suspect BGAs

We are having a small number (~2%) of our boards pass our manufacturing diagnostics, fail once they reach the customer, fail when they get back to us and then start working again after handling them f...(view more)

charlene
2017/2/28 6:31:14
5 comments
850 views

BGA rework stations

if anyone has used or has one of these bga rework stations please give me your opinion on them. I am planning on using the sytem for not only rework but also low volume prototype production for hand b...(view more)

Peter Sleeman
2017/2/28 5:55:39
5 comments
917 views

Help! Could anyone help to enlighten me on this?

Hi, Help! Could anyone help to enlighten me on this? Question: If I have a CSP/BGA package of size X by Y and the standoff gap between the component and PCB is Z, What is the maximum...(view more)

pepe_ciro
2017/2/28 5:53:33
5 comments
911 views

BGA warpage

I have received prototype PBGA (256 pins) devices from Motorola (actual part number = KXPC850ZT50). These parts seemed very warped on the edges. When I put the part on a plain surface, it rocks quite ...(view more)

Andy
2017/2/28 5:40:02
5 comments
912 views

BGA substrate pad alloy

Is there a typical alloy used by vendors on the substrate pad? What is their process used to attach a eutectic ball to that pad? Thanks.(view more)

rownickijan
2017/2/28 4:39:21
4 comments
934 views

BGA Failure in ENIG process

We started our first ENIG process recently and to our surprise, we have many failure on the one and only BGA on the board. The BGA is a 31 mils pitch plastic. Sending the PCBA to 1 cycle of heating/co...(view more)

javierdiazespana
2017/2/28 4:20:45
5 comments
1068 views

local fiducials to improve BGA placement?

Looking for any insight into whether the use of local fiducials will help or eliminate component recognition issues.(view more)

gcostache2001
2017/2/28 4:16:54
4 comments
1024 views

minimum X-Ray machine capability

Dear all I 'm looking the minimum X-Ray machine capability that is capable to inspect the solder joint of BGAs, Fine pitch BGA and CSP such as open, poor solder joint ,etc... What is the machine speci...(view more)

babinyecz
2017/2/28 3:56:18
5 comments
961 views

When is BGA Reballing not recommended?

Hi, We are experimenting with BGA recovery and we would like to know When is BGA Reballing not recommended?(view more)

superble
2017/2/28 3:01:31
3 comments
1111 views

Prices Slashed Jovy Systems BGA Rework Station

OLD TOWN, FL, March 16, 2009 AV Repair, the exclusive United States distributor for Jovy Systems, has announced that the Chinese manufacturer, Jovy Systems, has slashed prices on its flagship RE-7500,...(view more)

Aubrey
2017/2/28 2:53:02

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