ニュース

Before contacting the material, a handheld soldering iron mainly heats the soldering tip. Once soldering begins, heat is continuously transferred from the tip to the material. If the heat supply is not sufficient to compensate for heat loss, the temperature at the contact area drops and the processing time increases

In the semiconductor testing and measurement sector—where every nanosecond and microvolt can determine the success or failure of a chip design—choosing the right test equipment has never been simply a matter of comparing specifications on paper.

Many people choose a desoldering tool by comparing the wattage rating on the casing, assuming that higher power equates to stronger, cleaner suction. This is a common misconception; power output relates solely to the heating element and is entirely independent of suction force, which is determined by the vacuum pump

A structured overview of how to prepare, operate, and evaluate a constant temperature and humidity chamber for sample conditioning and environmental testing.

A 100W soldering iron can deliver more heating power than a 40W model, but that does not necessarily mean it will solder faster in every situation. Soldering speed depends on the amount of heat that needs to be transferred to the workpiece and the tip's ability to maintain its temperature when it comes into contact with a thermal load.

The nozzle makes direct contact with the solder joint and is the smallest component of the desoldering tool; however, selecting the wrong diameter directly affects the lifespan of the internal pump mechanism the most expensive part to repair or replace.

A salt spray test chamber helps manufacturers and laboratories evaluate the corrosion resistance of materials and protective coatings under controlled exposure conditions.

On September 10, 2026, EMIN participated in an in-depth technical training program at ZEISS to update its knowledge of measurement technologies, microscopy, and quality inspection solutions for various industries, including precision engineering, automotive, electronics, aerospace, healthcare, and materials manufacturing

A plated through-hole (PTH) in a multilayer circuit board features a copper-plated barrel extending through the internal circuit layers; it is not merely an empty hole connecting the top and bottom layers

Worn bearings do not cause an immediate drop in the engine's average speed. What changes first is speed stability slight fluctuations in speed occur from one rotation to the next even though a standard tachometer continues to display a seemingly normal RPM reading. This is precisely what many people overlook. While the average figure looks fine, detecting instantaneous fluctuations reveals that the bearings had actually begun to develop play quite some time earlier