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What is the difference between COB and COF ?

Pubdate : 2016-02-18 Clicks: Author : admin

    Capacitive touch screen COF and capacitive touch screen COB difference
    At present, the mainstream capacitive touch screen design in the market are using COF mode, that is, welding on the FPC.
    COB really works in some big factories, but there are three problems:
    A.COB mode is currently on the market, CTP, IC, Pin, to, pin compatible resources are few, supply risk is relatively large; in addition, this is also more flexible for resource selection.
    B. itself is currently doing more mature COB products in Europe and the United States, for domestic small and medium-sized customer support is limited, most module factories are not recommended, such as Atmel.
    C. touch IC procurement cycle is relatively long (such as Europe and the United States Department has heard of 13W or longer delivery period, even if the conventional procurement cycle system of Taiwan to 3W), to purchase the company stock, delivery risk is relatively large.
    In combination with the above 3 points, the COF mode is adopted.

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