Industry Directory: lpi solder mask touch up pen (1)

SEMICON Sp. z o.o. - Poland

Industry Directory | Consultant / Service Provider / Manufacturer

EMS company Laser SMT stencils mfg Tape converting , slitting , die cut Laser modules mfg Distribution materials,components ISO 9001:2015 ISO 13485:2016 AQAP 2110:2016 EN 9120:2018

New SMT Equipment: lpi solder mask touch up pen (17)

SMT Dispensing Pumps for Integration

SMT Dispensing Pumps for Integration

New Equipment | Dispensing

Retrofit existing system with Innovative Dispensing Technology for Excellent Dispense Control and Repeatability Advanced pump technologies available for retrofitting include: True Volumetric Pump, Precision Auger Pump, Simplified Jetting Pump and Ti

GPD Global

Double sided PCB

Double sided PCB

New Equipment | Components

1) 120*130mm/1up, FR-4, Tg 135, CTI 175-225V 2) Dielectric constant(Er): 4.4-5.2 3) 2 layers, 1.6mm thick, 1 oz 4) Min. hole size: 0.3mm 5) Min. track/space: 4/4 mils 6) LPI Solder mask/White legend 7) Fiducial mark, tooling strips, mounting ho

Bicheng Enterprise Company

Electronics Forum: lpi solder mask touch up pen (85)

Epoxy for solder mask touch up

Electronics Forum | Mon Nov 08 17:47:58 EST 2004 | davef

Russ: On "usually get some mask material from our board house. It cures with heat so it works really well in our applications.": We're unsure about the type of mask that you are using, but be careful [we used to do this, also]: * Final cure of the L

Epoxy for solder mask touch up

Electronics Forum | Mon Nov 08 15:10:52 EST 2004 | russ

We usually get some mask material from our board house. It cures with heat so it works really well in our applications. Be wary of the "overcoat pens" they don't seem to hold up under heat and thre solder will flow right underneath it during BGA a

Industry News: lpi solder mask touch up pen (8)

Revive Your Dispenser with Advanced Dispense Technologies

Industry News | 2016-12-09 23:33:42.0

GPD Global offers advanced dispense pump technologies to upgrade your existing platform and take advantage of existing capital equipment. Retrofit your system with innovative dispensing technology for excellent dispense control and repeatability.

GPD Global

How to Solder a Surface Mount Device to a PCB Pad

Industry News | 2018-10-18 09:02:41.0

How to Solder a Surface Mount Device to a PCB Pad

Flason Electronic Co.,limited

Parts & Supplies: lpi solder mask touch up pen (4)

Bicheng Bicheng via in pad PCB

Bicheng Bicheng via in pad PCB

Parts & Supplies | Circuit Board Assembly Products

1). 80 *190mm/2up, FR-4 2). 6 layers at 1.4mm thick 3). 35 μm copper weight 4). Green solder mask LPI/White legend 5). ENIG surface finish 6). Blind via from Layer 1 to layer 2 7). Via in pad plugged conductive resin

Bicheng Enterprise Company

BICHENG Double sided PCB

BICHENG Double sided PCB

Parts & Supplies | Circuit Board Assembly Products

1) 190*130mm/10up, FR-4, Tg 135, CTI 175-225V 2) Dielectric constant(Er): 4.4-5.2 3) 2 layers, 1.6mm thick, 1 oz 4) Min. hole size: 0.3mm 5) Min. track/space: 4/4 mils 6) LPI Solder mask/White legend 7) Fiducial mark, tooling strips, mounting holes

Bicheng Enterprise Company

Technical Library: lpi solder mask touch up pen (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: lpi solder mask touch up pen (5)

No drip or drool across a wide range of fluid viscosities (low-to-mid and low-to-high) with GPD Global PCD Pumps for total control of your dispensing fluids.

No drip or drool across a wide range of fluid viscosities (low-to-mid and low-to-high) with GPD Global PCD Pumps for total control of your dispensing fluids.

Videos

http://www.gpd-global.com No drip no drool across a wide range of fluid viscosities (low-to-mid and low-to-high). No manual adjustment to compensate for pump variability. Truly Volumetric PCD Pumps for total control of dispensing fluids. Ability to

GPD Global

Smt machines pcb solder mask printing machine screen printing machine for pcb

Smt machines pcb solder mask printing machine screen printing machine for pcb

Videos

SMT SEMI AUTO SCREEN PRINTER FOR PCB SIZE 1200 IN SMT LED PRODUCTION LINE Product introduction: 1.Using precision guide rail and the import motor to drive the blade seat conversion, printing, and high accuracy. 2.Printing scraper can rotate 45

Shenzhen Honreal Technology Co.,Ltd

Express Newsletter: lpi solder mask touch up pen (1038)

Partner Websites: lpi solder mask touch up pen (268)

Surgical N95 mask making machine for valved special N95 folding mask with wear button-PCB magazine l

ASCEN Technology | https://www.ascen.ltd/face_mask_production_line/744.html

above N95 folding mask with the breather valve,the N95 mask use the wear button device to replace the head loop welding.the N95 mask compositive material include one more layer thicken cotton loop for touch the

ASCEN Technology

PCB Specials | Imagineering

Imagineering, Inc. | https://www.pcbnet.com/specials/

: FR4 Leaded Solder 0.062″ 1 Oz Cu. Smt Pitch Minimum 0.025″ Smallest Hole 0.015″ All Plated Holes Smallest Trace/Space 0.007″ Green LPI Mask White Top Silkscreen Individual Board with Single Circuit Design and No Multiple Images of Boards

Imagineering, Inc.


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