77 solder paste printing area on exposed pad results

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_page1.html

. Then the paste mask stencil also needs to be customized so that the paste is deposited on the exposed pad and not the solder mask covering the pad Toe and Heel

PCB Libraries, Inc.

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

. Then the paste mask stencil also needs to be customized so that the paste is deposited on the exposed pad and not the solder mask covering the pad Toe and Heel

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

% area reduction in the thermal pad of a QFN package. 3.    Maybe it is not directly your advice but somewhere I red about putting solder mask on these thermal via to avoid solder paste wicking. 4.    The solderdam

PCB Libraries, Inc.

220V 50 / 60Hz Solder Paste Inspection Table Top 3D SPI-7500 Vision CE

KingFei SMT Tech | https://www.smtspare-parts.com/quality-11936650-220v-50-60hz-solder-paste-inspection-table-top-3d-spi-7500-vision-ce

. It can also be used to measure the entire pad solder paste. The average thickness allows the solder paste printing process to be well controlled

KingFei SMT Tech

220V 50 / 60Hz Solder Paste Inspection Table Top 3D SPI-7500 Vision CE

KingFei SMT Tech | http://www.smtspare-parts.com/quality-11936650-220v-50-60hz-solder-paste-inspection-table-top-3d-spi-7500-vision-ce

. It can also be used to measure the entire pad solder paste. The average thickness allows the solder paste printing process to be well controlled

KingFei SMT Tech

I.C.T 3D Spi smt Solder Paste inspection machine I.C.T-S400 - Dongguan Intercontinental Technology C

| https://www.smtfactory.com/I-C-T-3D-Spi-smt-Solder-Paste-inspection-machine-I-C-T-S400-pd49143724.html

: Quantity: Inquire Add to Basket Product Description I.C.T Global Service Packing and Delivery Video On-Line SPI Machine Introduction: I.C.T 3D SPI can completely solve the problem of shadow and random reflection in the detection process, so that solder paste 3D detection  accuracy is higher

N95 respirator pad printing machine for cup mask and 3M respirator-PCB magazine loader,PCB turn conv

ASCEN Technology | https://www.ascen.ltd/face_mask_making_machine/748.html

： Face mask making machine, ：2020-09-01 ASCEN N95 respirator cup mask logo printing machine and cup mask label stamping machine used for pad printing of fonts or patterns on cup

ASCEN Technology

I.C.T-S400 | 3D SPI SMT Solder Paste Inspection Machine from China manufacturer - I.C.T SMT Machine

| https://www.smtfactory.com/I-C-T-S400-3D-SPI-SMT-Solder-Paste-Inspection-Machine-pd49143724.html

I.C.T Global Service Video I.C.T-S400 | 3D SPI SMT Solder Paste Inspection Machine Overview On-Line SPI Machine Introduction: I.C.T 3D SPI can completely solve the problem of shadow and random reflection in the detection process, so that solder paste 3D detection  accuracy is higher

Solder Ball Defects - Heller

Heller Industries Inc. | https://hellerindustries.com/solder-balls-defects/

&place machine Excessive solder paste slump after printing Sphere size of solder paste too large for pitch components being soldered Excessive moisture absorbed by solder paste Solder paste exposed

Heller Industries Inc.

Solder Ball Defects - Heller

Heller Industries Inc. | https://hellerindustries.com/solder-ball-defects/

&place machine Excessive solder paste slump after printing Sphere size of solder paste too large for pitch components being soldered Excessive moisture absorbed by solder paste Solder paste exposed

Heller Industries Inc.