Laser cutting Kapton with LP9000u UV 355nm laser
Please review the pictures of laser cut Kapton below along with the brief description.

Laser cutting Kapton with the LP9000U UV 355nm laser is the best possible method of completing the job,
The only real alternative is a stamping machine and that would be hard considering the 20 um spacing between the 100 um slots at the bottom of the part. A CO2 laser would destroy too much material between the 100 um slots.
Also, with a stamping machine every time anything is changed on the part, an entire new stamp is required with the LP9000U UV 355nm laser all that is required is a simple art work change in the computer