The Core Components of SMT Assembly Capabilities

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How to make your Circuit of SMT Assembly Capabilities more competitive in the market?

Can choose Non-Tactile or Tactile design

EMI/RFI shielding

Can choose Backlight Solution

It can be superimposed by digital printing, screen printing or a combination of both

"How to Choosing the Core Components That Suit You Will Make Your SMT Assembly Capabilities Unique"

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What isSMT Assembly Capabilities?

After a large piece of copper is corroded, part of the copper line is left behind. After covering the PI, the welding pad is left and then gold-plated to form a complete line.It is an excellent line for high vibration and harsh environment.Its stability and reliability are widely recognized by the market.It has been used in high-end products.

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What is the Silver Flex Circuit?

In Polyester or Mylar printing conductive ink, carbon oil and UV ink form a kind of film circuit of a complete circuit. It is one of the most common core components of Membrane Switch. Its economic benefits have always been recognized.

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Circuit Of Membrane Switch-three-3

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What is Printing Circuit Board?

PCBs can be single-sided (one copper layer), double-sided (two copper layers on both sides of one substrate layer), or multi-layer (outer and inner layers of copper, alternating with layers of substrate). Multi-layer PCBs allow for much higher component density, because circuit traces on the inner layers would otherwise take up surface space between components.

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Circuit Of Membrane Switch-three-2
Consolidated form of the three routes:
PN: Siliver Flex Circuit Flex Copper Circuit Printing Circuit Board
Material Polyester or Mylar Copper and Polymide FR4,CEM-1 G-10 etc
Printing vs. Etching Conductive silver ink and Carbon traces are screen printed onto the Polyester or Mylar. After a large piece of copper is corroded, and some copper lines are left, the PI is covered to leave the pads and then gold-plated to form a complete line. After a large piece of copper is corroded, and some copper lines are left, the PI is covered to leave the pads and then gold-plated to form a complete line.
Stability Normal Excellent Excellent
Thickness 0.1-0.175mm 0.125-0.25mm 0.4-6.4mm
Price Moderate High High
Pitch(mm) 0.5,(Not a good choice ),1.0,1.27,2.54 0.5,1.0,1.27,2.54 -
Conductivity Resistivity about 50 mOhms/sq
1mm x 80 mm trace = 4 Ohms
0.5mm x 80mm trace = 8 Ohms
Lower Lower
Weight Lightest Weight Heaviest
Can weld various components Only LEDs OK OK

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Advantages of Silver Flex Membrane Switch

  1. Economical and affordable. Compared with the other two lines, the price is the most prominent advantage of Silver Flex Circuit.
  2. Very soft. It can be bent appropriately, and the thickness is thinner, saving a lot of design space.
  3. The production cycle is shorter, and the delivery time is 7-10 days shorter than Flex Copper Membrane Switch and PCB Membrane Switch.
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Advantages of Flex Copper SMT Assembly Capabilities

  1. Various types of components can be mounted.
  2. Very soft. The function of bending the lead wire for 10,000 times still exists, and the thinner thickness saves a lot of design space.
  3. The volume is smaller. In the same area, Flex Copper Circuit can adopt double panels and multiple panels to form more traces, thereby reducing the area and volume of electronic products. The product is more portable.
  4. It can be used in a high-pressure and humid environment without causing silver migration.
  5. Low resistance, suitable for sensitive electronic products.
  6. Suitable for environments with excessive vibration, extreme heat or extreme cold temperature fluctuations. The reason is that the welding strength of Flex Copper Circuit components is two to three times that of Silver Flex circuit conductive adhesive welding.
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Advantages of PCB Membrane Switch:

  1. Various types of components can be mounted.
  2. Hard board material. Can be connected with FFC or directly welded to the connector
  3. Compared with the same area of Silver Flex Circuit, more traces can be laid out. PCB can adopt double-sided boards and multiple-sided boards to form more traces, thereby reducing the area and volume of electronic products. The product is more portable.
  4. It can be used in a high-pressure and humid environment without causing silver migration.
  5. Suitable for environments with excessive vibration, extreme heat or extreme cold temperature fluctuations. The reason is that the soldering strength of PCB components is two to three times that of Silver Flex circuit conductive adhesive soldering.
  6. Low resistance, suitable for sensitive electronic products.
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What are the common design options for the three?

- Quality products from LT PCBA

Choose Non-Tactile or Tactile design.

Choose Backlight Solution.

EMI/RFI shielding.

It can be superimposed by digital printing, screen printing or a combination of both.

Rigid backers such as aluminum and FR4.

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