EXHIBIT 10.1

September 17, 2007

MFIC Corporation
30 Ossipee Road
Newton, MA 02464
Attn:  Jack Swig, Secretary

Gentlemen:

Effective today I am resigning as a Director and as Chairman Emeritus of MFIC. 
Together with my previous resignation of certain offices in April 2007, with
today’s resignation I no longer hold any office or title with MFIC.

I wish MFIC the best of luck in its future endeavors.  I remain a significant
stockholder of MFIC, so please do not hesitate to contact me if you believe I
can be of assistance to MFIC in the future.

Sincerely,

 

 

 

/s/ Irwin J. Gruverman

 

 

Irwin J. Gruverman

 

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