Industry Directory: soldermask (12)

SolderMask Inc.

SolderMask Inc.

Industry Directory | Manufacturer of Assembly Material / Soldering

Manufacturer of Laser Cut & Chemical Etched Stencils.

Colt Tech LLC

Colt Tech LLC

Industry Directory | Manufacturer of Bare PCBs

Custom Printed Circuit Board Manufacturer

New SMT Equipment: soldermask (36)

ENIG PCBs with red soldermask

ENIG PCBs with red soldermask

New Equipment | Fabrication Services

ENIG PCBs with red soldermask Layers: 2 Base material: FR4 Copper thickness: 1oz Board thickness: 1.6mm Min. hole size: 0.45mm Min. line width: 3 mils Min. line spacing: 3 mils Surface finishing: HASL

Shenzhen Aobo Technology Co.,Ltd

Red-Soldermask-gold-pcb

Red-Soldermask-gold-pcb

New Equipment |  

Rogers Material 1.6mm Thickness 2 Layers 1oz copper thickness Gold Plating Surface Treatment red Solder Mask e-test

Shenzhen Longkun Technology Co.,Ltd

Electronics Forum: soldermask (296)

Discoloured soldermask

Electronics Forum | Thu Apr 22 10:57:20 EDT 1999 | Jack Coia

On various PCB's after building processes,such as reflow, flowsolder and wash. The soldermask on the PCB's have become discoloured, like a 'marble' effect all along the solder side of the board, it is lighter in contrast than normal, although when ot

Re: Discoloured soldermask

Electronics Forum | Thu Apr 22 18:07:38 EDT 1999 | Tom B.

On various PCB's after building processes,such as reflow, flowsolder and wash. The soldermask on the PCB's have become discoloured, like a 'marble' effect all along the solder side of the board, it is lighter in contrast than normal, although when

Industry News: soldermask (31)

Taiyo America Announces Partnership Alliance

Industry News | 2003-03-31 09:43:08.0

With Schedectady International to develop, manufacture, and sell waterborne photoimagable etch resists and soldermasks in North America.

SMTnet

Electropac Montreal Buys New Equipment

Industry News | 2003-06-18 08:04:27.0

Recently purchased and installed a new DP-1500-2X Dual-Sided Photoimageable Ink Coater from Circuit Automation

SMTnet

Technical Library: soldermask (29)

How Detrimental Production Concerns Related to Solder Mask Residues Can Be Countered by Simple Operational Adaptations

Technical Library | 2019-09-19 00:28:48.0

The symbiotic relationship between solder masks and selective finishes is not new. The soldermask application is one of the key considerations to ensure a successful application of a selective finish. The selective finish is the final chemical step of the PCB manufacturing process, this is when the panels are at their most valuable and are unfortunately not re-workable. Imperfections are not tolerated, even if they are wholly cosmetic. Quality issues often manifest themselves in the form of a 'ping pong' conversation between the fabricators, the soldermask suppliers and the selective finish suppliers. Without tangible evidence these discussions are difficult to resolve and the selective finish process is usually regarded as responsible. This paper will focus on the chemical characteristics and use them to predict or identify potential issues before they occur rather than specifically name 'critical' soldermasks. It is also the intention of this paper to address the potential of a soldermask to react to common yield hiking practices like UV bumping and oven curing. It is hoped that this awareness will help fabricators to ensure maximum yields by asking the right questions. 'Critical’ soldermasks impact all selective finishes. In this paper, practical experience using immersion tin will be used to highlight the relationship between 'critical' soldermasks and some of the issues seen in the field. The paper will include a novel approach to identify re-deposited volatiles after the reflow.

Atotech

The Effects of PCB Fabrication on High-Frequency Electrical Performance

Technical Library | 2016-07-21 18:16:06.0

Achieving optimum high-frequency printed-circuit-board (PCB) performance is not simply a matter of specifying the best possible PCB material, but can be significantly impacted by PCB fabrication practices. In addition to appropriate circuit materials and circuit design configurations to meet target performance goals, a number of PCB material-related issues can affect final performance, including the use of soldermask, the PCB copper plating thickness, the conductor trapezoidal effect, and plating finish; understanding the effects of these material issues can help when fabricating high-frequency circuits for the best possible electrical performance.

Rogers Corporation, Advanced Circuit Materials Division

Videos: soldermask (5)

Time Pressure with Real Time Process Control FPC

Time Pressure with Real Time Process Control FPC

Videos

http://www.gpd-global.com Pair Time Pressure with Real Time Process Control (Fluid Pressure Control) to dispense Solder Mask WSOL with outstanding result. Watch this dispensing process on a bench top robot. More Info: http://www.gpd-global.com/co_w

GPD Global

Time Pressure with Real Time Process Control FPC

Time Pressure with Real Time Process Control FPC

Videos

http://www.gpd-global.com Pair Time Pressure with Real Time Process Control (Fluid Pressure Control) to dispense Solder Mask WSOL with outstanding result. Watch this dispensing process on a bench top robot. More Info: http://www.gpd-global.com/co_w

GPD Global

Events Calendar: soldermask (1)

SMTA China East Conference 2018

Events Calendar | Mon Apr 23 00:00:00 EDT 2018 - Thu Apr 26 00:00:00 EDT 2018 | Shanghai, China

SMTA China East Conference 2018

Surface Mount Technology Association (SMTA)

Express Newsletter: soldermask (7)

Partner Websites: soldermask (50)

Controlling Solder Mask & Paste Mask - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/controlling-solder-mask-paste-mask_topic658.html

. My question is what does PCB Footprint expert do for soldermask and solderpaste when it outputs decals to pads ? Are they the same size as the pad

PCB Libraries, Inc.

How to judge the quality of the circuit board?

| https://www.nextpcb.com/dfm-faq/pcb-quality

products to tell the quality of boards   B.Light and color. The external circuit board is covered with soldermask, and the printed circuit board can play the role of insulation


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