PCB Libraries, Inc. | https://www.pcblibraries.com/forum/bga-terminal-size-mil-to-mm-rounding_topic2190_post9040.html
:05pm Hello, When I change the solder mask expansion preference for the terminals of BGA family from 0 to 2 mils and change the preferences to mm, it changes every value on the size matrix to rounded off error values. Example : 0.60 mm to 0.599 0.55 mm to 0.551 0.35 mm to 0.351 0.25 mm to
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/bga-terminal-size-mil-to-mm-rounding_topic2190_post9043.html
:05pm Hello, When I change the solder mask expansion preference for the terminals of BGA family from 0 to 2 mils and change the preferences to mm, it changes every value on the size matrix to rounded off error values. Example : 0.60 mm to 0.599 0.55 mm to 0.551 0.35 mm to 0.351 0.25 mm to
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic2190&OB=ASC.html
:05pm Hello, When I change the solder mask expansion preference for the terminals of BGA family from 0 to 2 mils and change the preferences to mm, it changes every value on the size matrix to rounded off error values. Example : 0.60 mm to 0.599 0.55 mm to 0.551 0.35 mm to 0.351 0.25 mm to
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/efd/resource-center/solder-selection-guide
. There are additional details of alloy and flux performance not covered that can be very important in the selection process. It is always worth a call to your Nordson EFD solder sales specialist to review requirements to ensure you are using the best solder paste for the job. Step 1
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/topic2531&OB=DESC.html
. IPC has no recommendations on Solder Mask defined BGA pads. This issue is between you and your assembly shop and quality control managers
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic2531&OB=ASC.html
: 5 Post Options Post Reply Quote david.vrtaric Report Post Thanks(0) Quote Reply Topic: SMD BGA Pads Posted: 19 Sep 2019 at 1:00am I want to create BGA
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/bga-pad-size_topic2607_post10645.html
: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5184 Post Options Post Reply Quote Tom H Report Post Thanks(0) Quote Reply Posted: 27 Feb 2020 at 11:31am The IPC mathematical model uses this table to calculate BGA pad stacks, but the Library Expert Preferences allows the User to change the values to whatever works best for you
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/bga-pad-size_topic2607_post12477.html
: Here is the BGA Pad Size Reduction table for Non-Collapsing Balls: Stay connected - follow us! Twitter - LinkedIn flatronics Members Profile Send Private Message Find Members Posts Add to Buddy List New User Joined: 28 Oct 2021 Status: Offline Points
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/bga-pad-size_topic2607_post11390.html
: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5183 Post Options Post Reply Quote Tom H Report Post Thanks(0) Quote Reply Posted: 27 Feb 2020 at 11:31am The IPC mathematical model uses this table to calculate BGA pad stacks, but the Library Expert Preferences allows the User to change the values to whatever works best for you
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/bga-pad-size_topic2607_post10649.html
: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5484 Post Options Post Reply Quote Tom H Report Post Thanks(0) Quote Reply Posted: 27 Feb 2020 at 11:31am The IPC mathematical model uses this table to calculate BGA pad stacks, but the Library Expert Preferences allows the User to change the values to whatever works best for you
