Could you post details on who you buy the adapters from? Thx. Joe
At 07:58 AM 3/10/99 -0700, you wrote:
>Hello Roger,
>we routinely mount BGA's onto the same types of socket adaptors you speak of
>for all prototype development because of software changes. What we do is
>spray the BGA balls and the socket with a no-clean flux, place the BGA onto
>the socket, and reflow through the oven normally. It is not necessary to add
>solder paste. Our yield is 100%.
>
>Good Luck,
>
>
>Russ Vertefeuille
>Sr. Project Eng.
>
>> -----Original Message-----
>> From: Roger Massey-G14195 [SMTP:[log in to unmask]]
>> Sent: Wednesday, March 10, 1999 2:20 AM
>> To: [log in to unmask]
>> Subject: [TN] BGA Sockets
>>
>> Hi TN,
>>
>> Has anybody out there in the "real world" ever had cause to solder a
>> BGA onto a socket so that it turns into a Pin Grid Array? I need to
>> make up some test boards for a customer, and we dont have the BGA at
>> the minute, but the electrical folks want to test their design
>> without
>> waiting for the BGA to arrive. Some body found a supplier who can
>> supply an adaptor, which is essentially a piece of FR4 with enough
>> pins to cover all the balls. One end of each pin has a small cup to
>> take the ball, while the other is a standard pin.
>>
>> It seems a simple enough idea, place the BGA and reflow, has
>> anybody done this before, or something similar?
>> Do you think it likely that the I will need more solder paste in
>> the cups? Looking at the cup size, and the ball size I think I may
>> have to add some paste, but the cups stick up nearly 2mm from the
>> FR4,
>> so printing is not really that suitable, could dispensing be a
>> better
>> bet (dont have any experience in that!)
>>
>> Any help would be appreciated,
>>
>> Thanks
>> Roger
>>
>>
>> Roger Massey
>> Motorola AIEG
>> UK
>>
>> ################################################################
>> TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c
>> ################################################################
>> To subscribe/unsubscribe, send a message to [log in to unmask] with
>> following text in the body:
>> To subscribe: SUBSCRIBE TechNet <your full name>
>> To unsubscribe: SIGNOFF TechNet
>> ################################################################
>> Please visit IPC's web site (http://www.ipc.org) "On-Line Services"
>> section for additional information.
>> For technical support contact Hugo Scaramuzza at [log in to unmask] or
>> 847-509-9700 ext.312
>> ################################################################
>
>################################################################
>TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c
>################################################################
>To subscribe/unsubscribe, send a message to [log in to unmask] with
following text in the body:
>To subscribe: SUBSCRIBE TechNet <your full name>
>To unsubscribe: SIGNOFF TechNet
>################################################################
>Please visit IPC's web site (http://www.ipc.org) "On-Line Services"
section for additional information.
>For technical support contact Hugo Scaramuzza at [log in to unmask] or
847-509-9700 ext.312
>################################################################
>
Joe Wackerman
Sr. Mechanical Engineer
Parker Hannifin
Compumotor Division
5500 Business Park Drive
Rohnert Park, CA 94928
http://www.compumotor.com
voice 707-584-2522
FAX 707-584-8015
e-mail [log in to unmask]
################################################################
TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c
################################################################
To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body:
To subscribe: SUBSCRIBE TechNet <your full name>
To unsubscribe: SIGNOFF TechNet
################################################################
Please visit IPC's web site (http://www.ipc.org) "On-Line Services" section for additional information.
For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312
################################################################
|
