<PAGE>

                                                                    Exhibit 10.1

                                 NON-NEGOTIABLE

                            REVOLVING PROMISSORY NOTE

$200,000

                                                                  Columbus, Ohio
                                                                November 3, 2004

         FOR VALUE RECEIVED, Superconductive Components, Inc., an Ohio
corporation ("Maker"), promises to pay Robert H. Peitz, (hereinafter "Lender"),
the sum of TWO HUNDRED THOUSAND AND 00/100 Dollars ($200,000.00) or so much
thereof as shall have been advanced by Lender at any time and not hereafter
repaid (hereinafter referred to as "Principal Sum") together with interest as
hereinafter provided and payable at the time and in the manner hereinafter
provided. Subject to the terms and conditions set forth below, the proceeds of
the loan evidenced hereby may be advanced in partial amounts during the term of
this revolving note (this "Note"). Each such advance will be made to the Maker
upon receipt by Lender of the Maker's written request therefor.

         SECTION 1. PAYMENT OF INTEREST. Interest will accrue and compound
monthly on the unpaid balance of the Principal Sum until paid at a variable rate
of interest per annum, which shall change in the manner set forth below, equal
to two percentage points (2%) in excess of the Prime Commercial Rate in effect
at Huntington National Bank, Columbus, Ohio ("Prime Rate"). The interest rate
shall adjust automatically without notice to the undersigned immediately with
each change in the Prime Rate.

         SECTION 2. DUE DATE; PAYMENT OF PRINCIPAL SUM. The Principal Sum and
accrued and unpaid interest shall be payable in full on November 1, 2005 (the
"Due Date").

         SECTION 3. ADVANCES. Proceeds of the loan evidenced by this Note, may
from time to time be advanced in whole or in $50,000 increments until the Due
Date. Each advance will be made to Maker upon receipt by Lender of Maker's
written request therefor.

         SECTION 4. WARRANTS. As additional consideration for entering into this
Agreement, the Lender shall receive up to 20,000 warrants to purchase shares of
the Company's common stock at an exercise price of TWO DOLLARS and FIFTY CENTS
($2.50) per share (the "Warrants") which shall vest according to the following
schedule and be exercisable until November 1, 2009.

<TABLE>
<CAPTION>
NUMBER OF WARRANTS            VESTING SCHEDULE                EXERCISE PERIOD
------------------       ----------------------------        ----------------
<S>                      <C>                                 <C>
      10,000             Vested November 3, 2004             November 1, 2009

      10,000             Vesting 5,000 per each              November 1, 2009
                         additional $50,000 loaned
                         to the Company after
                         November 3, 2004 by
                         Mr. Robert H. Peitz pursuant
                         to the Note dated
                         November 3, 2004
</TABLE>

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         SECTION 5. OPTION TO CONVERT LOAN BALANCE. The Lender shall have the
option to convert the loan balance to equity at any time before repayment of the
loan at the same price and terms as any equity financing of the Company equal to
or in excess of $200,000.

         SECTION 6. PREPAYMENT. All or any part of the Principal Sum and accrued
and unpaid interest may be prepaid at any time without prepayment penalty after
providing 15 days written notice to the Lender.

         SECTION 7. DEFAULT. Section 7 of the Security Agreement by and between
the Lender and the Maker is incorporated by reference as if fully restated
herein.

         SECTION 8. NON-NEGOTIABLE.  This Note is non-negotiable.

         SECTION 9. WAIVER. All of the parties hereto, including the
undersigned, and any indorser, surety, or guarantor, hereby severally waive
presentment, notice of dishonor, protest, notice of protest, and diligence in
bringing suit against any party hereto, and consent that, without discharging
any of them, the time of payment may be extended an unlimited number of times
before or after maturity without notice. Lender shall not be required to pursue
any party hereto, including any guarantor, or to exercise any rights against any
collateral before exercising any other such rights.

         SECTION 10. GOVERNING LAW. This Note shall be governed by and construed
in accordance with the laws of the State of Ohio without reference to choice of
law rules.

          IN WITNESS WHEREOF, the undersigned has caused this Note to be
executed on the day and year first above written.

                                        SUPERCONDUCTIVE COMPONENTS, INC.

                                        By: /s/ Daniel Rooney
                                          --------------------------------------
                                          Daniel Rooney
                                          President and Chief Executive Officer

NON-NEGOTIABLE

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