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360 degrees analyze LED knowledge of flip chip
In recent years, in the field of chip, flip chip technology is emerging. Especially in high power, the applications of outdoor lighting are more popular in the market. But due to the development of late, many people don't know what is called LED flip chip. What is the advantage of LED flip chip? Now do a simple instruction here.
To understand the LED flip chip, first know what the positive chip is. Positive chip is the earliest chip structure. It is also widely used in small power chip structure. Electrodes are above in the structure. In order to avoid using light emitting area by electrodes, chip developers designed flip chip, which send out light from the other side of the electrode.
Flip chip technology is not a new technology. In fact, as early as before it was found. As is known that flip chip is called "inversion” is compared with the traditional way of wire bonding. Traditional wire bonding with the substrate of the chip electric face up, while flip chip electrical surface face down, so called "flip chip".
The advantages of LED flip chip: One is that failed to pass the sapphire heat dissipation, it Can be used on large current. Secondly, the size can be smaller, the optical match more easily. Three is to improve heat dissipation function; make the life of the chip hasimproved. Four is antistatic ability of ascension. The last is that lay the foundation for subsequent packaging technology development.
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Company: SHANGHAI HARSE ELECTROMECHANICAL TECHNIC CO.,LTD
Contacts:
Office: + 86-021-61993536
Mobile: + 86-13918891309(WeChat)
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