Industry Directory: mask white (3)

shenzhen rongda photosensitive science & technology Co.,ltd

Industry Directory | Manufacturer

PCB solder mask, PCB etching resist ink, LED white solder mask. UV curing solder mask, UV curing anti-acid etching resist ink

Dongguan PCB

Industry Directory | Manufacturer

Zero x-out. Only branded material.

New SMT Equipment: mask white (58)

Rigid-flex PCB, Rigid flex circuit board manufacturer, Flex rigid PCB -- Hitech Circuits Co., Limited

Rigid-flex PCB, Rigid flex circuit board manufacturer, Flex rigid PCB -- Hitech Circuits Co., Limited

New Equipment | Fabrication Services

Rigid flex printed circuit boards (PCBs) are manufactured by combining rigid and flexible board technologies. These circuit boards are made up of multiple flexible circuit inner layers. An epoxy pre-preg bonding film is used to attach together these

Hitech Circuits Co., Limited

Thicker PCB

Thicker PCB

New Equipment |  

1. FR-4 material, 1 oz copper finished 2. 6-12 layers, 5mm thick board 3. Green solder mask /white silk screen. 4. Blind/buried vias required. 5. Hot air level Pb free 6. Application: motor, medical equipment, industrial products.

Bicheng Enterprise Company

Electronics Forum: mask white (110)

Re: white residue

Electronics Forum | Wed Jan 27 21:02:53 EST 1999 | Dave F

| i am working with the noclean process and getting white residues on the bottomside of the board probably due to the | wave soldering flux.i am using a no-clean solder paste and a noclean wave solder flux.The boards passed the accelerated temperatu

Re: white residue

Electronics Forum | Thu Jan 28 08:58:10 EST 1999 | Peet

| | i am working with the noclean process and getting white residues on the bottomside of the board probably due to the | | wave soldering flux.i am using a no-clean solder paste and a noclean wave solder flux.The boards passed the accelerated tempe

Industry News: mask white (7)

SMT Dictionary – Surface Mount Technology Acronym and Abbreviation

Industry News | 2018-12-08 03:29:29.0

SMT Dictionary – Surface Mount Technology Acronym and Abbreviation

Flason Electronic Co.,limited

Christopher Associates Debuts White Solder Mask for LED Applications from OTC

Industry News | 2011-05-19 21:51:24.0

Christopher Associates introduces Onstatic Technology Corp.’s (OTC) R-500 WH White LPI Solder Mask, designed specifically for LED lighting applications.

Christopher Associates Inc.

Parts & Supplies: mask white (24)

Panasonic White Oil KXF05PLAA00 | IEL/V for maintenance of Panasonic SMT machine

Panasonic White Oil KXF05PLAA00 | IEL/V for maintenance of Panasonic SMT machine

Parts & Supplies | Assembly Accessories

CM95 FIXED CAMERA KXF01FRAA00  CAMERA   CCD63-TBS  1775C081020  LENS   KOK-36E(DA)  CM95 PCB CAMERA 1734C581010 CAMERA  CCD63-TBS(L=3900,TBS-1)  KXF05GHAA00 LENS  KOK-1.5XN-V  CM20 PCB C

KingFei SMT Tech

Juki JUKI 501 NOZZLE

Juki JUKI 501 NOZZLE

Parts & Supplies | Chipshooters / Chip Mounters

> JUKI ESL13000000 VACUUM PAD 15 JUKI ESL13000100 PHOTO MICRO SENSOR A JUKI ESL13001000 TUBE union (KL700) JUKI ESL130011A0 CONVEYOR MOTOR (KZ500) JUKI ESL13002000 CLAMP LEVER JUKI ESL13003000 T TYPE NUT JUKI ESL130031A0 OPERATION PANEL (KL700) JUKI

ZK Electronic Technology Co., Limited

Technical Library: mask white (1)

Thermal Capabilities of Solder Masks and Other Coating Materials - How High Can We Go?

Technical Library | 2019-09-24 15:41:53.0

This paper focuses on three different coating material groups which were formulated to operate under high thermal stress and are applied at printed circuit board manufacturing level. While used for principally different applications, these coatings have in common that they can be key to a successful thermal management concept especially in e-mobility and lighting applications. The coatings consist of: Specialty (green transparent) liquid photoimageable solder masks (LPiSM) compatible with long-term thermal storage/stress in excess of 150°C. Combined with the appropriate high-temperature base material, and along with a suitable copper pre-treatment, these solder resists are capable of fulfilling higher thermal demands. In this context, long-term storage tests as well as temperature cycling tests were conducted. Moreover, the effect of various Cu pre-treatment methods on the adhesion of the solder masks was examined following 150, 175 and 200°C ageing processes. For this purpose, test panels were conditioned for 2000 hours at the respective temperatures and were submitted to a cross-cut test every 500 h. Within this test set-up, it was found that a multi-level chemical pre-treatment gives significantly better adhesion results, in particular at 175°C and 200°C, compared with a pre-treatment by brush or pumice brush. Also, breakdown voltage as well as tracking resistance were investigated. For an application in LED technology, the light reflectivity and white colour stability of the printed circuit board are of major importance, especially when high-power LEDs are used which can generate larger amounts of heat. For this reason, a very high coverage power and an intense white colour with high reflectivity values are essential for white solder masks. These "ultra-white" and largely non-yellowing LPiSM need to be able to withstand specific thermal loads, especially in combination with high-power LED lighting applications. The topic of thermal performance of coatings for electronics will also be discussed in view of printed heatsink paste (HSP) and thermal interface paste (TIP) coatings which are used for a growing number of applications. They are processed at the printed circuit board manufacturing level for thermal-coupling and heat-spreading purposes in various thermal management-sensitive fields, especially in the automotive and LED lighting industries. Besides giving an overview of the principle functionality, it will be discussed what makes these ceramic-filled epoxy- or silicone-based materials special compared to using "thermal greases" and "thermal pads" for heat dissipation purposes.

Lackwerke Peters GmbH + Co KG

Videos: mask white (4)

PNC - Manufacturer of Printed Circuit Board from PCB Design, Layout, PCB fabrication & PCB Assembly.

PNC - Manufacturer of Printed Circuit Board from PCB Design, Layout, PCB fabrication & PCB Assembly.

Videos

Manufacturer of Printed Circuit Board from PCB Design, Layout, PCB fabrication & PCB Assembly.

PNC Inc.

PNC - Manufacturer of Printed Circuit Board from PCB Design, Layout, PCB fabrication & PCB Assembly.

PNC - Manufacturer of Printed Circuit Board from PCB Design, Layout, PCB fabrication & PCB Assembly.

Videos

Manufacturer of Printed Circuit Board from PCB Design, Layout, PCB fabrication & PCB Assembly.

PNC Inc.

Career Center - Resumes: mask white (1)

Sales Manager

Career Center | Shen Zhen, China | Management,Sales/Marketing

Working in GLORYPCB for 10 years.knowing electronic supply chain very well. especially for PCB PCBA assembly and other Electronic Manufacturing Service.Glorypcb is a professional electronic manufacturer located in Shenzhen with three facilities.offe

Express Newsletter: mask white (128)

Partner Websites: mask white (243)

Three Pin Ferrite Beads - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/three-pin-ferrite-beads_topic629_post2132.html

: 18 Oct 2012 Location: Santa Clara, CA Status: Offline Points: 161 Post Options Post Reply Quote DaveCowl Report Post    Thanks(0)    Quote    Reply Posted: 25 Oct 2012 at 10:30am The strangest thing about the pattern is that the white areas are

PCB Libraries, Inc.


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