Industry dynamics-

What to do if there is glue overflow during the dispensing process of the dispensing machine

Overflow refers to the excessive amount of glue on the screen, exceeding the planned usage, which affects the normal use of the screen or the next process. Since the root cause of screen glue overflow is now known, the problem of dealing with screen glue overflow lies in how to control the amount of...

182024-03

Common knowledge of quality control in reflow soldering

Reflow soldering of basic components is a difficult step to control in the PCB assembly process. How to control the quality of reflow soldering during the soldering process? Let's analyze from each stage:1、 Reflow soldering solder paste immersion stageAt this stage, the flux begins to evaporate...

152024-03

What is the detection range of 2D X-Ray detection equipment?

People who have worked in the production workshop will have more or less exposure to testing equipment, especially positions such as IPQC. They have access to various types of testing equipment, such as manual visual inspection, AOI appearance inspection, etc. 2D X-ray testing equipment is an X-ray...

152024-03

The practicality and benefits of dispensing machines

The dispensing machine is an automated equipment widely used in the manufacturing industry, which has high practicality and efficiency. JEENOCE will comprehensively introduce the practicality and benefits of dispensing machines, elaborating in detail on their working principles, application areas, a...

152024-03

Reasons for component misalignment and improvement after reflow soldering

The misalignment of components after reflow soldering is one of the two common defects in SMT. Below is a comprehensive analysis by JEENOCE on why SMT components may experience misalignment after reflow soldering, as well as the issue of misalignment. Some commonly used countermeasures are also prov...

142024-03

What can 3D X-Ray detection equipment detect

The 3D X-ray detection device is an X-ray detection device that utilizes the strong penetrability of X-RAY short wavelength to detect the internal structure of the object being tested. Before understanding 3D X-ray, it is necessary to have a clear understanding of the imaging characteristics of the...

142024-03

Practicality and Benefit Analysis of Piezoelectric Valves

Piezoelectric valve is a special type of valve based on the piezoelectric effect, which can convert electrical energy into mechanical displacement or force, and achieve automatic regulation of fluid flow and pressure. This article will provide a detailed analysis of the practicality and benefits of...

142024-03

Analysis of reasons for open circuit and virtual soldering of IC pins after reflow soldering

Cause of occurrence:1. Poor coplanarity, especially in FQFP devices, can cause pin deformation due to improper storage. If the SMT machine does not have the function of checking coplanarity, it is sometimes difficult to detect2. Poor solderability of pins, long storage time of ICs, yellowing of pins...

132024-03

How X-rays attenuate when penetrating matter

X-rays, also known as Roentgen rays, penetrate matter under high-intensity voltage, but regardless of the type of penetration, there is a certain attenuation, generally dominated by diffusion attenuation and absorption attenuation.For attenuation in a uniform medium, when light is irradiated on the...

132024-03