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  Terminal: It is a relatively basic accessory used to realize electrical connection, and it is also a fixed part of the terminal or connection between connecting wires, electrical appliances and control boards. PCB Terminal: Generally speaking, it is a kind of accessory product for PCB  to realize electrical connection, which is divided into the category of connector in industry. In addition, the PCB terminal has some other names: because its shape is generally in a row shape, it is also known as wiring block, terminal block, wiring board and so on. The function of PCB terminal is to ensure the electrical connection is firm, safe and beautiful, and to improve the convenience of electrical installation and maintenance.  Generally speaking, PCB terminal can be divided into the following types: 1. PCB Plug-in Terminal It consists of two parts plug-in connection, one part presses the wire tightly, and then plugs into the other part, this pa...

  In several articles published in the past, one concept is often mentioned: RoHS. So what does RoHS mean, and what is its function? Today JRPanel would like to introduce RoHS in membrane switch production to everyone. What is RoHS? RoHS stands for Restriction of Hazardous Substances. RoHS, also known as Directive 2002/95/EC, originated in the European Union and restricts the use of specific hazardous materials found in electrical and electronic products (known as EEE). All applicable products in the EU market after  July 1, 2006  must pass RoHS compliance. What are the restricted materials mandated under RoHS? The substances banned under RoHS are lead (Pb), mercury (Hg), cadmium (Cd), hexavalent chromium (CrVI), polybrominated biphenyls (PBB), polybrominated diphenyl ethers (PBDE), and four different phthalates (DEHP, BBP, BBP, DIBP). Why is RoHS compliance important? The restricted materials are hazardous to the environment and pollute landfills, and are dangerous in te...

  The production of membrane switches requires the participation of the printing process. At this time, a screen printing machine is required for printing. The quality of the product printing depends on the printing operation process and the details of the printing. Among them, manual toning is the most important step .  Only the precise control of the proportion of each color can produce the color that the customer needs.   Toning is a very knowledgeable craft. There are three main colors. These three colors can decorate the membrane switch perfectly. The three colors are red, yellow, and blue. Other colors can be obtained by mixing any two of these three colors. For example, yellow plus blue to green. When mixing colors with colors, pay attention to thoroughly mixing the inks, so that the inks are thoroughly mixed together to avoid color inconsistency, resulting in incoordination of the membrane switch panel. After the color is adjusted, it needs to be compared. Th...

  Industrial machinery and equipment often require keypads and human machine interfaces that are rugged and built to last in tough environments and extreme temperatures. These custom industrial keypads need excellent tactile response while also being environmentally sealed from water and dirt and the ability to withstand abuse. For industrial controls, we typically recommend a rubber keypad or membrane switch due to their reliability, high tactility, and ability to seal the circuitry and electronics that sit behind it.   Industrial Control User Interface Solutions   With our unlimited design and manufacturing capabilities, JRPanel is able to supply our customers with custom tactile membrane keypads that meets their needs as a user interface and face plate to their product. By working directly with our customers, we are able to engineer and manufacture custom membrane switch and membrane keypad technology that meets specific customer requirements in both performance a...

  In several articles published in the past, one concept is often mentioned: RoHS. So what does RoHS mean, and what is its function? Today JRPanel would like to introduce RoHS in membrane switch production to everyone. What is RoHS? RoHS stands for Restriction of Hazardous Substances. RoHS, also known as Directive 2002/95/EC, originated in the European Union and restricts the use of specific hazardous materials found in electrical and electronic products (known as EEE). All applicable products in the EU market after  July 1, 2006  must pass RoHS compliance. What are the restricted materials mandated under RoHS? The substances banned under RoHS are lead (Pb), mercury (Hg), cadmium (Cd), hexavalent chromium (CrVI), polybrominated biphenyls (PBB), polybrominated diphenyl ethers (PBDE), and four different phthalates (DEHP, BBP, BBP, DIBP). Why is RoHS compliance important? The restricted materials are hazardous to the environment and pollute landfills, and are dangerous in te...

  Why are multi-layer PCBs mostly even-numbered layers and few odd-numbered layers? There are single-layer, double-layer and multi-layer PCBs. The number of layer is not limited. There are currently more than 100 layers on boards. Common multi-layer PCBs are four-layer and six-layer boards.    So everyone will have this question: Why are multilayer PCBs with even-numbered layers?   Relatively speaking, even-numbered PCBs are more than odd-numbered PCBs, and they have more advantages. Today JRPanel would like to solve this question for everyone.   Because of the fewer layer of dielectric and foil, the cost of raw materials for odd-numbered PCBs is slightly lower than that of even-numbered PCBs. However, the processing cost of odd-layer PCB is significantly higher than that of even-layer PCB. The processing cost of the inner layer is the same, but the foil/core structure obviously increases the processing cost of the ou...

  Modern industrial equipment design includes many design forms, making industrial equipment products not only have a single function, but also have diversified technical support, making the core functions of industrial equipment products more powerful, smoother and more beautiful, and more compact. Of course, if you want to do a good job in the design of industrial equipment, designers need to consider many issues in the design. Here is a brief introduction to the principles that industrial equipment design needs to follow.   1. Innovative Design Principles   The characteristics of industrial equipment design often manifest as a combination of theory and practical experience and intuition. The comprehensive connotation of modern design has become more and more prominent in product design. Product system, multi-objective, short-period, and multi-variety design requirements make multi-disciplinary and interdisciplinary joint design more common. This increases the comp...

  The calculation of PCB current carrying capacity has always lacked authoritative technical methods and formulas. Experienced Layout engineers can make more accurate judgments based on personal experience. But for Layout novices, it can really be a problem. The retention capacity of PCB depends on the following factors: line width, line thickness (copper foil thickness), and allowable temperature rise. Everyone knows that the wider the PCB trace, the greater the retention capacity. But many people have a misunderstanding such as: assuming that under the same conditions, a 10mil trace can withstand 1A, how much current can a 50mil trace withstand? Many people think it is 5A. But in fact, the current-carrying capacity cannot be calculated by the line width multiple in this way. Please see the following data from international authoritative institutions for your reference:

Printing ink is a paste-like colloid composed of pigments, binders, fillers and other components uniformly mixed. As a kind of viscous fluid ink, due to the different properties of its varieties, there are differences between thick and thin, strong and weak viscous, and the difference between fast drying and slow drying. Therefore, a correct understanding of the components in the ink is of great significance for accurately adjusting the characteristics of the ink, meeting various printing conditions, and improving the printing quality of the product.   1. The Role of Colored Materials in Ink   Colored Materials include pigments and dyes. The colored materials used in printing inks are usually colored materials, but some dyes are also useful. They are all colored substances with extremely fine particles. Pigments are generally insoluble in water, nor soluble in binders, and most of them are suspended in the solution. The dye is generally soluble in the binder. The pigment ...