First time post from a long-time lurker. Thank you to all that make this forum great.
In the picture there is a small board roughly 1 inch by ½ inch.
The board is a GaAs RF Amplifier.
My first question is “how much” GaAs is on this board? Is it trace amounts on a microscopic level or the whole PCB?
Assuming it is not the whole PCB where on the board is it?
I gather that gallium arsenide is soluble in HCL but not in Nitric Acid. If these were processed in Nitric Acid to “Float” the gold off the board just like finger boards, are the GaAs components likely to “float” off as well?
Any feedback is appreciated.
In the picture there is a small board roughly 1 inch by ½ inch.
The board is a GaAs RF Amplifier.
My first question is “how much” GaAs is on this board? Is it trace amounts on a microscopic level or the whole PCB?
Assuming it is not the whole PCB where on the board is it?
I gather that gallium arsenide is soluble in HCL but not in Nitric Acid. If these were processed in Nitric Acid to “Float” the gold off the board just like finger boards, are the GaAs components likely to “float” off as well?
Any feedback is appreciated.