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Dongguan Chun Yip Electronic Technology Co.,Ltd.

  • Contact:Ivan
  • Tel:+86-769-85382422
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  • Add:No.19 5th Xingye Rd Xiabian Dist. Changan Town Dongguan City Guangdong Prov. China

New Information

Talking about common problems in membrane switch design

From:admin Date: 2019-01-14
The buttons on the membrane keyboard represent the position, shape and size of the key body in different colors, which are common in the initial stage of the membrane keyboard. Stereo membrane keyboard: Usually, the keys on the membrane keyboard only use color to express the position, shape and size of the key body. In this way, the accuracy of the operation can only be recognized by the operator's vision. Since there is no appropriate feedback information indicating whether the finger is pressed in the effective range of the switch, the self-confidence and the speed of operation are affected.
The film circuit board has many advantages such as good flexibility, light weight, stable transmission performance, impact resistance, low price, and environmental protection. The special price is only half that of a normal rigid circuit board (PCB). It can be used at the button of the product to reduce product cost. Film line manufacturers below introduce the characteristics of commonly used flat film keyboards:
Membrane switches, common problems in film circuit design are as follows:
1. Membrane switch The shrapnel of the drum kit button needs to be placed properly, and there is no offset. Otherwise, the operation of the button will be affected to failure.
2, color problem: the modulation ratio of the ink is the main cause of serious color deviation, and the color requirements are too strict. The range of colors is too small, these are factors that are difficult to control in any industry. In terms of the control cost of the enterprise, in order to achieve a small color range, the cost is extremely high, the cost of the product rises, and the unit price of the product rises correspondingly, which is difficult for the customer to accept, so. The range of colors needs to be within a reasonable range.
3, the position of the button drum, you need to open the mold to the appropriate position, otherwise it will affect the beauty of the button. The adhesive is not sticky. In addition to the choice of raw materials, the shape of the prototype is also confirmed. If the prototype has a groove, you need to choose a good quality glue. The choice of adhesive is just right.
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