Partner Websites: discoloration under solder mask (Page 1 of 29)

Advice For Solder Mask & Paste Mask Layers - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/advice-for-solder-mask-paste-mask-layers_topic484.html

. These are for example: 1.    Solder mask defined pads under fine pitch BGA packages. 2.    Multiple separated squares on the paste mask layer to create 50

PCB Libraries, Inc.

Advice For Solder Mask & Paste Mask Layers - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic484&OB=ASC.html

. These are for example: 1.    Solder mask defined pads under fine pitch BGA packages. 2.    Multiple separated squares on the paste mask layer to create 50

PCB Libraries, Inc.

PCB Libraries Forum : Saving Solder Mask Settings

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/RSS_saving-solder-mask-settings_topic1817.xml

.   Saving Solder Mask Settings : Bruce P wrote:I always add... Author: PetrolDaveSubject: 1817Posted: 04 Apr 2016 at 3:41am Bruce P wrote:I always add additional solder mask area under Terminal Solder Mask X

PCB Libraries, Inc.

Saving Solder Mask Settings - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/saving-solder-mask-settings_topic1817.html

 PetrolDave Report Post    Thanks(0)    Quote    Reply Posted: 04 Apr 2016 at 3:41am Bruce P wrote: I always add additional solder mask area under Terminal Solder Mask X (+/-) and Solder Mask Y

PCB Libraries, Inc.

Saving Solder Mask Settings - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/saving-solder-mask-settings_topic1817.html

 PetrolDave Report Post    Thanks(0)    Quote    Reply Posted: 04 Apr 2016 at 3:41am Bruce P wrote: I always add additional solder mask area under Terminal Solder Mask X (+/-) and Solder Mask Y

PCB Libraries, Inc.

Saving Solder Mask Settings - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic1817&OB=DESC.html

 PetrolDave Report Post    Thanks(0)    Quote    Reply Posted: 04 Apr 2016 at 3:41am Bruce P wrote: I always add additional solder mask area under Terminal Solder Mask X (+/-) and Solder Mask Y

PCB Libraries, Inc.

PCB Libraries Forum : Minimum Gang Solder Mask Web

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/RSS_minimum-gang-solder-mask-web_topic2381.xml

:29amIn my 36 year PCB design career, I have never seen a Gang Mask on a BGA. And I would not recommend that you do that. There must be Solder Mask between every BGA pad to prevent solder bridging under the package. 

PCB Libraries, Inc.

Minimum Gang Solder Mask Web - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/minimum-gang-solder-mask-web_topic2381_post9770.html

.  And I would not recommend that you do that.  There must be Solder Mask between every BGA pad to prevent solder bridging under the package

PCB Libraries, Inc.

Minimum Gang Solder Mask Web - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/minimum-gang-solder-mask-web_topic2381_post9766.html

.  And I would not recommend that you do that.  There must be Solder Mask between every BGA pad to prevent solder bridging under the package

PCB Libraries, Inc.

Minimum Gang Solder Mask Web - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/minimum-gang-solder-mask-web_topic2381_post9766.html

.  And I would not recommend that you do that.  There must be Solder Mask between every BGA pad to prevent solder bridging under the package

PCB Libraries, Inc.

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