News

Why Clean "No-Clean" Fluxes?
No-Clean flux increased in popularity as it leaves behind little to no residue during the soldering process, compared to rosin or water soluble flux. This reduced the need for extensive cleaning of circuit boards after soldering, saving companies much time and cost, making it an ideal choice for many production line.  The residue left behind from no-clean flux or paste is considered to be so little that it does not require cleaning in most cases, and the resulting electronic device or machine can still function with no disruptions. While the general consensus... Read more...
5 important tips for cleaning electrical contacts
Why do you need to clean electrical contacts?  Maintaining clean electrical contacts is essential for the optimal performance of electronic devices, appliances, and machinery. The presence of dirt and debris can lead to compromised connectivity, intermittent functionality, and, in severe cases, total electronic failure. A contact cleaner comes in handy in such a situation. It is a solvent cleaner designed to remove contamination from electronic contacts or other electronic components. Here are five tips to ensure a smooth cleaning process for your electronics:    Disconnect the Power Source  Turning off the... Read more...
Lunar New Year Closure
🐉 HAPPY YEAR OF THE DRAGON 🐉 Happy Lunar New Year! Tokimeku would like to thank all our customers for their long years of support. May the year of the Dragon bring luck, fortune and prosperity to you!  Please note the following dates for our Lunar New Year Closure. Kindly send your orders in at least 1 week prior for on-time deliveries.  Closed: 9 - 12 Feb 2024 Cut-off date for order processing: 8 Feb Orders will be delivered after 13 Feb 龙 (LONG) TIME NO SEE We are pleased to announce that... Read more...
Types of Flux
Different types of flux exist for different production lines. Learn which is best suited for yours! Read more...
2024 Goods and Services Tax (GST) Rate Change - Singapore
Dear Valued Customer, As announced during Budget 2022 by the Minister for Finance, the GST rate in Singapore will be raised in 2 steps, from 7% to 8% with effect from 1 January 2023, and 8% to 9% on 1 January 2024.  Please note that as we approach 2024, Tokimeku Pte Ltd will be charging GST according to the prevailing rate at time of payment. Payments made before 1 Jan 2024 will be charged 8% GST while payments made on or after 1 Jan 2024 will be subjected to the... Read more...
How do dendrites grow on electronic assemblies?
  Electrochemical Migration occurs when dense current leakages cause conductive metal filaments across a printed circuit board (PCB), resulting in dendrites and surface contamination. These dendrites can cause field failures and can be intermediate or permanent. PCBA reliability is influenced by soldering materials' chemistry, residues' activity, and other factors like PCB material composition, uncleaned flux residue, active chemistry concentration, board surface roughness, and environmental conditions like humidity and temperature. Metal Dissolution  A strong alkaline condition, typically caused by environmental pollutants or flux residue, attacks the anode and power-leading contacts, forming... Read more...
Tensor: New standards for laser processing
Overcoming boundaries and setting new benchmarks Laser technology has evolved significantly due to increased performance and reduced costs of laser sources. This has led to a wider range of applications in materials processing and increased cost-effectiveness for users. However, in micromaterial processing, increased laser power must be accompanied by enhanced beam deflection speed to improve processing quality. LPKF, experts in laser micromachining, has introduced the Tensor Optics module to resolve this conflict. By increasing beam deflection by a multiple, known limitations and boundaries can be overcome, allowing for new limits... Read more...
Removing Conformal Coatings with Chemical Solvents
In this blog, we will dive deeper into how chemical solvents work to remove conformal coating. Conformal coatings are ideal for chemical removal, either alone or in combination with other methods. Acrylic is ideal for solvent removal, while silicone, polyurethane, and one-part epoxy benefit from chemical removal in combination. Here are some important tips to ensure a safe and efficient cleaning process: Solvent Choice - Conformal coating resins require harsh solvents like toluene, xylene, acetone, or hydrocarbons to dissolve. Techspray offers Conformal Coating Remover and Conformal Coating Remover XT, designed... Read more...
Identifying Conformal Coating
What is Conformal Coating? Conformal coatings are polymeric films applied directly to PCBAs and electronic components to provide a layer of protection from the environment in which they operate. Why do we need to remove conformal coating? From time to time, conformal coatings must be removed. This can be due to a variety of reasons, including electrical or functional failures requiring rework, PCBA malfunctions, initial design process problems, poor adhesion, protective coating defects, or the wrong choice of coating materials. The first step in removing conformal coating is to identify... Read more...
Operational Changes 2023
Kindly take note of our upcoming non-operational dates Read more...
5 Best Practices for Cleaning High Reliability PCB
High reliability PCBs require proper cleaning to completely remove any contaminants. Check out what are the 5 steps to properly clean your PCB! Read more...
How to use TECHSPRAY FLUX REMOVER
Remove flux with the Techspray Flux Remover to keep your PCBs working in the best condition! Read more...