Industry Directory: lead free finish leaded paste (66)

Heller Industries Inc.

Industry Directory | Manufacturer

Reflow ovens for automated SMT PCB assembly, specializing in lead free processing and nitrogen reflow. The best convection reflow ovens on the market.

ASKbobwillis.com

Industry Directory | Test Services / Consultant / Publication or Online Resource / Training Provider / Events Organizer

On site and online Training and consultancy in electronics manufacture. Wide range of training products which are solder worldwide by IPC, SMTA, SMART Group and others

New SMT Equipment: lead free finish leaded paste (3133)

RMA Green Lead Free Solder Paste

RMA Green Lead Free Solder Paste

New Equipment | Solder Materials

Qualitek’s GREEN PASTE is a revolutionary Lead-Free solder paste that makes the conversion to Lead-Free easier than ever to manage. Visually distinguishable, GREEN PASTE helps eliminate the liability of cross contamination and operator confusio

Qualitek International, Inc.

215D RMA Syringe Dispensing Lead Free Solder Paste

New Equipment | Solder Materials

Lead Free Syringe Dispensing. 215D is a non-corrosive, mildly activated rosin solder paste designed for surface mount applications using a syringe dispensing method. 215D has excellent activity and dot-to-dot consistency. Won't clog or string.

Qualitek International, Inc.

Electronics Forum: lead free finish leaded paste (1191)

lead free joint finish

Electronics Forum | Fri Jan 30 06:28:42 EST 2009 | gregoryyork

Hi Armando Hotflow 7 is a big machine and one of the best Reflow ovens around (in my opinion), well suited for Lead Free. A typical 1.6mm board has the following settings for Lead Free SAC305 paste All Temperature settings are Top and Bottom Prehea

lead free joint finish

Electronics Forum | Thu Jan 29 00:12:39 EST 2009 | grayman

Hi Armando, I think you have to buy a bigger reflow let say 7 zones to get the correct profile. The reason you are getting that problem is due to short profile time. What is the size of your board? What is the composition of your solder paste? Ple

Used SMT Equipment: lead free finish leaded paste (23)

Samsung sm421

Samsung sm421

Used SMT Equipment | Chipshooters / Chip Mounters

      Samsung chip mounter SM-421   Advanced Flexible Mounter   Using the vision system which is upgraded from the SM421 vision system, the SM421 can be applied to parts from 0603(0201) microchip to □22mm IC part through On-The-Fly reco

Shenzhen ETA Technology Co., Ltd

Samsung SM-421 Chip Mounter

Samsung SM-421 Chip Mounter

Used SMT Equipment | Chipshooters / Chip Mounters

Advanced Flexible Mounter Using the vision system which is upgraded from the SM421 vision system, the SM421 can be applied to parts from 0603(0201) microchip to 22mm IC part through On-The-Fly recognition. It also allows recognition of parts with

Shenzhen ETA Technology Co., Ltd

Industry News: lead free finish leaded paste (1592)

ZESTRON and their Canadian distributor Adtool to host free cleaning workshops on June 5 and June 7, 2012

Industry News | 2012-06-05 08:56:01.0

In collaboration with Stoelting, MB Tech, Koki & Heller Industries, ZESTRON, the global leader in high precision cleaning products and services for the electronics manufacturing industry, and Adtool, their Canadian distributor, are hosting free-of-charge workshops titled ‘Solutions for Resolving Current SMT Industry Challenges’ in Canada.

ZESTRON Americas

ZESTRON to Host the SMTA Capital Chapter Tutorial Program on June 9th, 2015

Industry News | 2015-06-08 16:46:35.0

ZESTRON is pleased to announce the SMTA Capital Chapter Tutorial “Enabling Implementation of Advanced Technologies” on June 9th will be held at ZESTRON Americas located at 11285 Assett Loop, Manassas, VA, 20109.

ZESTRON Americas

Parts & Supplies: lead free finish leaded paste (16)

Panasonic Panasonic SMT Feeder

Panasonic Panasonic SMT Feeder

Parts & Supplies | Pick and Place/Feeders

1. SMT equipment original/imitation accessories sales: Fuji, Juki, Yamaha, Samsung, Panasonic, and other equipment suction nozzle, Feida and accessories, suction Rod, Suction nozzle Rod, sensor, cutter, belt, filter cotton, sensor, light module, sole

KingFei SMT Tech

Panasonic Panasonic Bm123 Bm221 Msf 44mm Feeder FAE4400MA300

Panasonic Panasonic Bm123 Bm221 Msf 44mm Feeder FAE4400MA300

Parts & Supplies | Pick and Place/Feeders

1. SMT equipment original/imitation accessories sales: Fuji, Juki, Yamaha, Samsung, Panasonic, and other equipment suction nozzle, Feida and accessories, suction Rod, Suction nozzle Rod, sensor, cutter, belt, filter cotton, sensor, light module, sole

KingFei SMT Tech

Technical Library: lead free finish leaded paste (50)

ph Neutral Cleaning Agents - Market Expectation & Field Performance

Technical Library | 2016-02-25 16:26:25.0

With regard to precision cleaning applications within electronics manufacturing, pH neutral product development was a major breakthrough in recent years. The impetus for this development resulted from changes with regard to solder paste formulations and resulting assembly processes.The greater use of lead-free solder paste and the required higher reflow profiles have resulted in even more difficult to remove burnt-in flux residues. Coupled with increases in component density, larger component packages, higher lead counts, finer lead spacing, and lower standoff distances, effective cleaning is greatly challenged. The aqueous alkaline based cleaning agents can effectively remove these flux residues, however, the process often requires an increase in wash temperature and exposure time, chemical concentration, and mechanical energy. Although an efficient and effective cleaning process can be developed, oftentimes, the required operating parameters present a new set of challenges with regard to material compatibility.Since their introduction, the newly developed pH neutral formulations have proven to be capable not only of removing these difficult post reflow residues from complex board geometries, but do so without affecting material compatibility of sensitive components. Additionally, they perform at low concentration levels. This study reviews the performance of pH neutral cleaning agents as compared to alkaline cleaning agent alternatives and includes field data demonstrating their effectiveness with regard to material compatibility and cleaning performance.

ZESTRON Americas

Higher Defluxing Temperature and Low Standoff Component Cleaning - A Connection?

Technical Library | 2020-11-04 17:49:45.0

OEMs and CMs designing and building electronic assemblies for high reliability applications are typically faced with a decision to clean or not to clean the assembly. If ionic residues remain on the substrate surface, potential failure mechanisms, including dendritic growth by electrochemical migration reaction and leakage current, may result. These failures have been well documented. If a decision to clean substrates is made, there are numerous cleaning process options available. For defluxing applications, the most common systems are spray-in-air, employing either batch or inline cleaning equipment and an engineered aqueous based cleaning agent. Regardless of the type of cleaning process adopted, effective cleaning of post solder residue requires chemical, thermal and mechanical energies. The chemical energy is derived from the engineered cleaning agent; the thermal energy from the increased temperature of the cleaning agent, and the mechanical energy from the pump system employed within the cleaning equipment. The pump system, which includes spray pressure, spray bar configuration and nozzle selection, is optimized for the specific process to create an efficient cleaning system. As board density has increased and component standoff heights have decreased, cleaning processes are steadily challenged. Over time, cleaning agent formulations have advanced to match new solder paste developments, spray system configurations have improved, and wash temperatures (thermal energy) have been limited to a maximum of 160ºF. In most cases, this is due to thermal limitations of the materials used to build the polymer-based cleaning equipment. Building equipment out of stainless steel is an option, but one that may be cost prohibitive. Given the maximum allowable wash temperature, difficult cleaning applications are met by increasing the wash exposure time; including reducing the conveyor speed of inline cleaners or extending wash time in batch cleaners. Although this yields effective cleaning results, process productivity may be compromised. However, high temperature resistant polymer materials, capable of withstanding a 180°F wash temperature, are now available and can be used in cleaning equipment builds. For this study, the authors explored the potential for increasing cleaning process efficiency as a result of an increase in thermal energy due to the use of higher wash temperature. The cleaning equipment selected was an inline cleaner built with high temperature resistant polymer material. For the analysis, standard substrates were used. These were populated with numerous low standoff chip cap components and soldered with both no-clean tin-lead and lead-free solder pastes. Two aqueous based cleaning agents were selected, and multiple wash temperatures and wash exposure times were evaluated. Cleanliness assessments were made through visual analysis of under-component inspection, as well as localized extraction and Ion Chromatography in accordance with current IPC standards.

ZESTRON Americas

Videos: lead free finish leaded paste (48)

The greater use of lead-free solder paste and the required higher reflow profiles have resulted in more difficult to remove burnt-in flux residues...

The greater use of lead-free solder paste and the required higher reflow profiles have resulted in more difficult to remove burnt-in flux residues...

Videos

Please join ZESTRON Academy for a comprehensive overview of pH neutral cleaning agent development coupled with performance reviews of pH neutral cleaning agents. Given the greater use of lead-free solder paste and the required higher reflow profiles,

ZESTRON Americas

Ecolloy A High Performance Lead Free Silver Free Alloy Alternative

Ecolloy A High Performance Lead Free Silver Free Alloy Alternative

Videos

Qualitek International, Inc. presents Ecolloy the future of high performance lead free solder. Ecolloy has a higher tensile strength and temperature cycling than SAC 305 and SnCu alloys. Melting range of this new alloy is lower than SnCu alloys so it

Qualitek International, Inc.

Training Courses: lead free finish leaded paste (8)

BGA Rework Process Implementation

Training Courses | | | PCB Rework and Hand Soldering Courses

The PCB rework and hand soldering courses courses cover techniques of rework and repair of PCBs, BGAs and other electronics assemblies, and teach fundamentals of soldering of electronics assemblies.

Precision PCB Services, Inc

BGA Rework Process Implementation

Training Courses | | | PCB Rework and Hand Soldering Courses

The PCB rework and hand soldering courses courses cover techniques of rework and repair of PCBs, BGAs and other electronics assemblies, and teach fundamentals of soldering of electronics assemblies.

Precision PCB Services, Inc

Events Calendar: lead free finish leaded paste (28)

Cleaning with pH Neutral Chemistry - Background, Applications, and Benefits

Events Calendar | Thu May 28 00:00:00 EDT 2020 - Thu May 28 00:00:00 EDT 2020 | ,

Cleaning with pH Neutral Chemistry - Background, Applications, and Benefits

ZESTRON Americas

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)

Career Center - Resumes: lead free finish leaded paste (27)

BankeemChheda-Resume

Career Center | Rochester, New York USA | Engineering

I have done my undergraduate studies in Mechanical Engineering. I am pursuing my Master's Program in Electronics Packaging. I am currently working as a Research Assistant for RIT-CEMA (Center for Electronics Manufacturing and Assembly). My research

resume_srini_chada

Career Center | Phoenix, Arizona | Engineering,Management,Production,Quality Control,Research and Development,Sales/Marketing,Technical Support

• Highly motivated, solution oriented professional with proven record synergizing scientific, engineering, and business administration backgrounds to drive and sustain customer satisfaction and long term improvements. • Articulate communicator that a

Express Newsletter: lead free finish leaded paste (1005)

SMTnet Express - Septemeber 1, 2016

SMTnet Express, Septemeber 1, 2016, Subscribers: 26,288, Companies: 14,937, Users: 41,025 Reliability Study of Low Silver Alloy Solder Pastes Jennifer Nguyen, David Geiger and Murad Kurwa; Flex (Flextronics International) Sn3.0Ag0.5Cu (SAC305

Partner Websites: lead free finish leaded paste (252)

Thermaltronics preheaters are suitable for leaded and lead-free preheating processes.

| https://pcbasupplies.com/preheaters/

Thermaltronics preheaters are suitable for leaded and lead-free preheating processes. Toggle menu Call Us! 469-200-1289 Login or Sign Up 0 Search × Search

HR-400S Lead Free Wave Solder Machine_Honreal industrial Limited

| http://www.szhonreal.com/productview.asp?id=28

. It ’ s very easy for customer to change solder pot and conversion between leaded and lead-free. HR-400S - Specifications  Model   HR-400S  PCB width  50-400MM  Solder pot capacity


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Flux-Free Reflow Soldering

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World's Best Reflow Oven Customizable for Unique Applications
Professional technical team,good service, ready to ship- Various brands pick and place machine!

Private label coffee for your company - your logo & message on each bag!