Industry Directory | Manufacturer
Professional manufacturer of PTC & NTC thermistor, temperature sensor pressure Sensors. Thermistors for overload over-current protect, inrush current limit, temperature sense measurement compensation control, protect.
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PTI-500 First Article Inspection Tester 版本号：PTI500V2.0 、 PRODUCT FUNCTIONALITIES ✦ADVANCED SOFTWARE, USER FRIENDLY INTERATIVE OPERATION MINIMALIST DESIGN ✦INTUITIVE VIEW OF TEST RESULT The test result is plotted on individual component which can be
Your very best choice for lead-free fluxes and pastes, this cleaner is the least-expensive nonflammable, ozone-safe cleaner on the market today. Not only does it remove lead-free residues, it actually prevents the formation of white residues. It's no
Electronics Forum | Fri Jan 29 05:14:06 EST 1999 | Graham Naisbitt
Hi guys, I really am at a loss to understand this one. It would appear that there may be some reaction between the flux and the resist? Or maybe you have an OSP on the board that is reacting during soldering? As a fast fix, maybe you should try a
Electronics Forum | Wed Feb 10 12:52:21 EST 1999 | Dick Casagrande
|I'm getting in a little late on this but my 2 cents is: We have been using no-clean flux for a few years now but up till last month were still cleaning (the white residue) our boards (all thru hole). Finally did some investigation and found the flux
Used SMT Equipment | Soldering - Reflow
BTU Pyramax 125N Parameters Pyramax Specifications Model Pyramax 125N Atmosphere Air or Nitrogen Conveyor Speed 10-60 in/min 25-152 cm/min Conveyor Width 2-18 in 51-457 mm Heated Length 125 in 3175 mm Heated Zones&
Used SMT Equipment | In-Circuit Testers
Agilent-Keysight 53150A CW Microwave Frequency Counter, 20 GHz The Agilent 53150A is a full-featured 20 GHz CW microwave frequency counter and power meter. It offers high performance with an ultra-wideband input that covers the RF and microwave
Industry News | 2018-10-18 08:36:26.0
How the modern solder reflow oven works?
Industry News | 2018-10-18 08:32:52.0
How to Prevent Solder Ball and Bridging Defects during the SMT Reflow Process
Technical Library | 2019-07-02 23:02:05.0
The introduction of lead-free solders resulted in a selection of different chemistries for solder pastes. The higher melting points of lead-free alloys required thermal heat resistant rosin systems and activators that are active at elevated temperatures. As a result, more frequent maintenance of the filtration systems is required and machine downtime is increased.Last year a different method of cleaning reflow ovens was introduced. Instead of cooling down the process gasses to condensate the residues, a catalyst was used to maintain the clean oven. Catalytic thermal oxidation of residues in the nitrogen atmosphere resulted in cleaner heating zones. The residues were transformed into carbon dioxide. This remaining small amount of char was collected in the catalyst. In air ovens the catalyst was not seen as a beneficial option because the air extracted out of the oven was immediately exhausted into the environment. When a catalyst is used in an air environment there is not only the carbon dioxide residues, but also water. When a catalyst is used in an air reflow oven the question is where the water is going to. Will it condensate in the process part of the oven or is the gas temperature high enough to keep it out of the process area? A major benefit of using a catalyst to clean the air before it is exhausted into the environment is that the air pollution is reduced dramatically. This will make environmental engineers happy and result in less pollution of our nature. Apart from this, the exhaust tubes remain clean which reduces the maintenance of air ovens.This paper will give more detailed information of catalyst systems during development and performance in production lines.
Technical Library | 2020-11-24 23:12:27.0
In a lead-free reflow process, temperatures are higher, and materials use outgasses more than in a leaded reflow process. The trends toward higher density populated boards and more pin-in-paste technology also increase solder paste use. More components and more solder paste result in more outgassing of chemistry during the reflow process. Some assemblies report condensation of vapors when the cold printed circuit board enters the oven. Little is known about the interaction between these condensed materials in terms of the interaction between these condensed materials and the reliability of the assembly. Apart from the question of reliability, a printed circuit board contaminated with a small film of residues after reflow soldering is not desirable.
I.C.T Provide SMT Production Line solutions with Automated Optical Inspection (AOI) AOI is short for Automated Optical Inspection, which is widely used in the electronics industry to check the appearance of PCBA assembly at the back end of the cir
Automatic LED Separator ETA-LS1200 If you could not find any similar items you want, you may send some photos to us. because our catalog and website haven't included all of our products. PCB cutting machine,PCB cutter,PCB separator,PCB depaneli
Career Center | Cavite, Philippines | Engineering,Technical Support
I had 15 years Handling SMT Equipment.
Career Center | Theni, Tamilnadu India | Engineering
NPI Engineer: • Playing a role as NPI leader of the Telecom, Aerospace & Server Products to introduce and run to qualify the engineering build from customer. • Conducting Weekly NPI meeting with the CFT team to review the progress of the NPI schedu
SMTnet Express, October 7, 2021, Subscribers: 26,641, Companies: 11,452, Users: 26,882 Cleaning Before Conformal Coating Cleaning PCBs before conformal coating removes potentially harmful and unknown contaminants from the board
Heller Industries Inc. | https://hellerindustries.com/reflow-oven/
. Additionally, our proprietary Flux-Free Grill system limits the flux residue on the cooling grills giving the Heller reflow oven system the highest production yields of any oven
KingFei SMT Tech | https://www.smtspare-parts.com/
Quality SMT Spare Parts & SMT Feeder factory from China Leave a Message We will call you back soon! Your message must be between 20-3,000 characters
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