Mitac MATE-1 (AD-1) floppy drive:

front_s

This is a clone of the Apple DISK II drive made in Taiwan based on the same early Shugart 390 mechanism with their own analog board design.

back_s

MITAC MATE-1 (Model: AD-1)
Shugart 390 mechanism
Made in Taiwan 
Stamped date: JUL 20 1982

analog_board_s

Mitac analog board.

 

analog_board_underneath_s

Underneath.

 

mechanism_s

Disk mechanism.

 

inside_shugart_s

Shugart 390.

 

Thanks to Marko Laaaksonen for saving this for all those years.

 

Links:
https://apple2history.org/history/ah05/
https://en.wikipedia.org/wiki/Disk_II
https://archive.org/details/mitac-mate-i-disk-drive

FinApple 2020 (c)
Apple II Forever.