There is electrode pattern printed along the edges distributes a low voltage filed over the conductive layer.
The human body is also an electrical device which has stored electrons and therefore also exhibits capacitance.
When a finger touches the screen and draws a minute amount of current to the point of contact ,creating a voltage drop.
The current flow from each corner is proportional to the distance to the touch point. During a touch ,capacitance forms between the finger and the sensor grid. The touch location is calculated from the changing electrical characteristics of the sensor grid.
Touch Screen is the replacement of mouse and wires between people and machines, it makes our life more and more convenient .
With the development of the science technology, touch screen will be widely used around our life.
1. By Courier: As pouches and bags are very small CBM products, and if you buy less than 2 CBM, we suggest you to ship the goods by courier such as DHL, EMS, UPS, TNT or Fedex.
2. By air: And you can also choose to ship by air. In this way, you need to pick up goods from your local airport. And you need to do customs clearance at your side. Usually it takes around 4-10 days for delivery.
3. If you buy in a very big quantity which is more than 2 CBM, or if you have different products to mix into one container in China, we suggest you to ship by sea. Please contact me about FOB or CNF cost. Usually it takes the longest time for delivery.
1. Sample Policy
-------Free sample can be offered if we have the product in stock.
2. Sample leading time ? ------ 3-5 days if you need to print your logo.
----- 1-2days for our exsiting samples for reference.
3. Production time ?
------10-15 days after sample confirmed.
4.shipping? ------Usually we deliver our goods by DHL,UPS, FedEx for the small orders, for large quantity you can choose by sea or by air.
5: Payment term? ------ T/T or Western Union Or Paypal ,30% deposit, 70% balance should be paid before shipment.
Shenzhen Straw Technology Co.,LTD is founded in 2006. It is committed to the development, production and sales of the touch screen.
Our company has more than 8000 square meters of clean room, R & D staff of 30 people, more than 200 employees.
We are major in touch screen field for 10 years ,and we can customerize the product according to your request.Our products are widely used in many areas such as computer, therapy,military industry,vehicle accessories etc.