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Are they normal?

Question asked by xinlanbojue on Jan 29, 2018
Latest reply on Jan 29, 2018 by krisf

1、There is a crack between the upper metal and the surface metallization of the inner wall.

1、There is a crack between the upper metal and the surface metallization of the inner wall.

2、There is no metallization layer in the local area of overhole wall.

1、There is a crack between the upper metal and the surface metallization of the inner wall.

There is no metallization layer in the local area of overhole wall.

 

Using the batch chip assembly two MMIC module, found two modules in the process of testing were abnormal, after tests found that the HMC395 chip and electricity, plus electric terminal to ground impedance infinity, module, no gain.

 

Abrove all of the questions,Are they normal? Has the product line changed?

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