EXHIBIT A
                            [FORM OF PROMISSORY NOTE]


THIS SECURED  CONVERTIBLE  PROMISSORY NOTE (A) HAS NOT BEEN REGISTERED UNDER THE
SECURITIES  ACT OF 1933, AS AMENDED (THE  "SECURITIES  ACT"),  OR THE SECURITIES
LAWS OF ANY STATE,  AND IS BEING OFFERED AND SOLD PURSUANT TO AN EXEMPTION  FROM
THE  REGISTRATION  REQUIREMENTS OF THE SECURITIES ACT AND SUCH LAWS, AND (B) MAY
NOT BE SOLD,  OFFERED  FOR SALE,  PLEDGED OR  HYPOTHECATED  IN THE ABSENCE OF AN
EFFECTIVE  REGISTRATION  STATEMENT  UNDER THE  SECURITIES  ACT OR AN  OPINION OF
COUNSEL SATISFACTORY TO THE BORROWER THAT SUCH REGISTRATION IS NOT REQUIRED.


                       SECURED CONVERTIBLE PROMISSORY NOTE


$[_________]                                                   November 27, 2001
                                                     Hopewell Junction, New York


     For  value  received,  eMagin  Corporation,  a  Delaware  corporation  (the
"Borrower"),   hereby   unconditionally   promises   to  pay  to  the  order  of
[_____________________] or its assigns (the "Lender"), subject to the provisions
set forth  below,  in  lawful  money of the  United  States  of  America  and in
immediately  available funds, the principal sum of $[_________],  plus interest,
payable on the dates and in the manner set forth below.

     This Convertible  Secured  Promissory Note (the "Note") is one of the notes
(the "Notes") referred to in that certain Secured Note Purchase Agreement, dated
as of November 27, 2001 (the  "Closing  Date"),  by and between the Borrower and
the other  Investors as may be from time to time listed therein (as the same may
from time to time be  amended,  modified  or  supplemented,  the "Note  Purchase
Agreement"),  which have been or are to be issued by the  Borrower  pursuant to,
and  subject  to the terms of,  the Note  Purchase  Agreement,  and this Note is
entitled to the benefits provided for therein. All capitalized terms used herein
and not otherwise  defined  herein shall have the  respective  meanings given to
them in the Security Agreement (as defined below).

     1. PRINCIPAL REPAYMENT. The outstanding principal amount of this Note shall
be payable on August 30, 2002 (the "Maturity  Date"),  unless this Note has been
converted  or redeemed as  described in Section 5, Section 9 or Section 10 below
(each such event, an "Early Termination Event").

     2. INTEREST RATE. The Borrower  further promises to pay interest on the sum
of the unpaid  principal  amount of this Note  outstanding on each day, from the
date of this Note until all of the  principal  shall have been repaid in full or
pursuant to an Early Termination Event.




Interest shall accrue at the rate of 9% per annum.  Interest shall be payable on
the Maturity Date (or on the effective date of an Early  Termination  Event) and
shall be calculated on the basis of a 360-day year for the actual number of days
elapsed.  Any  principal  payment or  interest  payment on the unpaid  principal
amount of this Note not paid when due,  whether  at the  Maturity  Date,  on the
effective date of an Early  Termination  Event,  by  acceleration  or otherwise,
shall bear interest at eleven  percent (11%) or the maximum rate  permissible by
law, whichever is less.

     3. SECURITY. The full amount of the Notes are secured by a general security
interest  under a Security  Agreement (the  "Security  Agreement"),  dated as of
November 20, 2001, between the Borrower, as Assignor, and Verus Support Services
Inc.,  as  collateral  agent for the benefit of the holders of Notes,  with such
security  interest  granted for the ratable benefit of the holders of the Notes.
Reference is hereby made to the Security Agreement for a statement of the rights
and obligations of the holder of, and the nature and extent of the security for,
this Note.  Borrower shall not, directly or indirectly create,  permit or suffer
to exist,  and shall defend the Collateral  against and take such further action
as is necessary  to remove any Liens  (excluding  Permitted  Liens) on or in the
Collateral,  or in any  portion  thereof,  except as  permitted  pursuant to the
Security Agreement.

     4. PLACE OF PAYMENT.  All amounts payable hereunder shall be payable to the
Lender in the manner specified by the Lender to the Borrower in writing.  In the
event that payment is to be made by wire transfer, such payment shall be made on
a day that banks are open for business in New York,  New York (each, a "Business
Day").  If any  payment  becomes due on a day that is not a Business  Day,  such
payment shall be made on the next  succeeding  Business Day, and such  extension
shall be included in computing interest in connection with such payment.

     5. MANDATORY CONVERSION. Subject to the last sentence of this Section 5, at
any time after the closing of a bona fide sale of convertible debt securities or
equity securities of the Borrower,  on terms, and considering all material terms
of such transaction,  that are equal to or are accretive or no less favorable to
the  Company  to  those of the  transactions  represented  by the Note  Purchase
Agreement  under  which  this  Note is issued  and in which  the gross  proceeds
received by the Borrower  are, in the  aggregate,  in the minimum  amount of $10
million,  prior  to  the  Maturity  Date  (collectively,   the  "Next  Round  of
Financing"),  the aggregate principal amount of and accrued interest (subject to
the  following) on this Note, at the Company's  option,  shall be converted (the
"Mandatory  Conversion") at the Conversion Price into an amount of shares of the
common stock of the Borrower (the "Common Stock").  The "Conversion Price" shall
be equal to 105% of the  average  of the  closing  prices  of the  shares of the
Common  Stock of the Company as reported on The American  Stock  Exchange by the
Wall  Street  Journal,  New York City  edition,  for the ten (10)  trading  days
immediately   preceding  the  Closing  Date  (subject  to  adjustment   for  any
stock-split,  stock  dividends,  stock  combination,  recapitalization  and like
occurrences  to occur after the date  hereof).  Notwithstanding  anything to the
contrary,  the Company shall not be entitled to convert the Notes  pursuant to a
Mandatory  Conversion  unless  the  shares of  Common  Stock to be issued to the
Lender pursuant to such conversion (i) have been registered under the Securities
Act of 1933, as amended,  and (ii) are listed on the principal stock exchange or
automated quotation system on which the Common Stock is then listed.

                                      -2-



     6.  MECHANICS OF  CONVERSION.  Upon any  conversion  of this Note,  (i) the
entire principal  balance of and all accrued but unpaid interest under this Note
shall be converted and this Note shall become fully paid and satisfied, (ii) the
Lender shall surrender and deliver this Note,  duly endorsed,  to the Borrower's
office or such other address which the Borrower shall designate against delivery
of the certificates  representing the new securities of the Borrower,  and (iii)
in exchange for the  surrendered  Note described in the preceding  clause 6(ii),
the Company shall provide the Lender with irrevocable  instructions addressed to
the Company's  transfer and exchange agent to issue such number of unrestricted,
freely  tradeable  shares of  Common  Stock and  listed on the  principal  stock
exchange or automated quotation system on which the Common Stock is then listed.

     7. ISSUE TAXES.  The  Borrower  shall pay any and all issue and other taxes
that may be payable  with  respect to any issue or delivery of shares of capital
stock on conversion of this Note pursuant hereto;  provided,  however,  that the
Borrower  shall not be obligated to pay any transfer  taxes  resulting  from any
transfer requested by any holder in connection with any such conversion.

     8.  DEFAULT.  It shall be an event of default  ("Event of Default") and the
entire  unpaid  principal of this Note,  together with accrued  interest,  shall
become  immediately  due and  payable,  automatically  and without  presentment,
protest,  demand or notice of any kind, all of which are expressly waived by the
undersigned,  in the case of those events  described in paragraphs (d), (e), (f)
and (k), and in the case of any other such event at the election of Lender, upon
the occurrence of any of the following events:

     (a) Any  failure on the part of  Borrower to make any payment in respect of
this Note when due,  whether by  acceleration  or otherwise  (including  without
limitation in connection with any repurchase obligation);

     (b) Borrower shall default in the  performance or compliance with any other
covenant or  agreement of Borrower  contained in this Note or the Note  Purchase
Agreement, and the continuation of such default for a period of 30 days;

     (c) Any  representation  or  warranty  of  Borrower  contained  in the Note
Purchase Agreement shall prove to have been untrue in any material respect as of
the date of the Note Purchase Agreement;

     (d) Borrower shall default in the payment of principal, premium or interest
on any  material  indebtedness  for  borrowed  money,  or shall  default  in the
performance of or compliance with the terms of any related documentation, and in
connection with any such default such indebtedness becomes due and payable prior
to its stated maturity;

     (e)  Borrower  shall  commence  or  consent  to any  proceeding  under  any
bankruptcy,  reorganization,  arrangement,  readjustment of debt,  moratorium or
similar law or statute;

     (f) A proceeding shall be commenced  against Borrower under any bankruptcy,
reorganization,  arrangement, readjustment of debt, moratorium or similar law or
statute, and such proceeding is not stayed or dismissed within 45 days after the
commencement thereof;

                                      -3-



     (g)  Borrower  consents  to  or  suffers  the  appointment  of a  guardian,
receiver,  trustee or custodian  to any  substantial  and  material  part of its
assets that is not vacated within 45 days;

     (h) Final judgment in excess of $250,000  (excluding  insured  portions) is
entered against Borrower and is not stayed, bonded or discharged within 30 days;

     (i) The dissolution or termination of existence of Borrower;

     (j) Any material default by the Company under the Security Agreement; or

     (k) The  failure by the Company  prior to November  30, 2001 to execute the
reduction of monthly  expenditures  by  approximately  two-thirds for a targeted
post-November  30, 2001  monthly  "burn  rate" of  $350,000  or less;  provided,
however,  that this  Section  8(k)  shall  have no force and  effect  should the
Company  conclude (by the  execution  of  transaction  documents  and receipt of
funds)  an equity  or  convertible  debt  securities  financing  of at least $10
million dollars prior to November 30, 2001.

     So long as an Event of Default  exists,  the Lender may  declare the entire
principal  and unpaid  accrued  interest  herein  immediately  due and  payable,
without any cure period thereof, by notice in writing to the Borrower.

     9. OPTIONAL CONVERSION BY HOLDER. Upon twenty (20) calendar days' notice to
the  Borrower,  the Lender may convert  the  aggregate  principal  amount of and
accrued  interest  outstanding (as of the date for such  conversion  provided in
such  notice) on this Note at the  Conversion  Price into an amount of shares of
the Common Stock.

     10. CHANGE OF CONTROL OF BORROWER.  (a) Upon the  occurrence of a Change of
Control,  the  Borrower  will have the right  (the  "Call  Right"),  at its sole
option,  upon five day's written notice to the Lender delivered not more than 30
days after the effective  date of such Change of Control (the "Call  Period") to
purchase all (but not less than all) of the aggregate  principal  amount of this
Note from the Lender at a price equal to 250% of the  principal  amount  hereof,
plus all accrued and unpaid interest thereon through, but not including the date
on which this Note is  repurchased  (the  "Repurchase  Price").  If the Borrower
shall not have  exercised  such right within the Call  Period,  the Lender shall
have the right (the "Put  Right"),  at its sole option,  for a period of 30 days
commencing on the expiry of such Call Period (the "Put Period"),  to require the
Lender purchase all (but not less than all) of the aggregate principal amount of
this Note at the applicable Repurchase Price.

     (b) Immediately upon the occurrence of any Change of Control,  the Borrower
shall provide notice to the Lender stating that a Change of Control has occurred
and the applicable expiry dates for the Call Period and the Put Period.

     (c) If the Borrower  shall elect to exercise  its Call Right,  the Borrower
shall provide written notice thereof to the Lender before the expiry of the Call
Period,  such notice to include the repurchase date for this Note which shall be
no  earlier  than 15 days nor later  than 30 days  from the date such  notice is
delivered.  Notwithstanding  anything to the contrary set forth herein,

                                      -4-



any Note called for repurchase by the Borrower may be  voluntarily  converted by
the Lender at any time prior to the repurchase  date specified in the Borrower's
call notice.

     (d) If the Lender shall elect to exercise its Put Right after the expiry of
the Borrower's  Call Right,  the Lender shall provide  written notice thereof to
the  Borrower  (the "Put  Notice")  before the expiry of the Put Period and upon
receipt  thereof,  the  Borrower  shall  provide  notice  to the  Lender  of the
applicable  repurchase date for this Note which shall be no earlier than 15 days
nor  later  than 30 days  from the date  such Put  Notice  is  delivered  to the
Borrower.

     (e) On any purchase  date of a  redemption  of this Note under this Section
10, the Borrower shall deliver to the Lender the Repurchase Price and the Lender
shall deliver to the Borrower this Note for cancellation.

     (e) As used in this Section 10, the following  capitalized terms shall have
the following meanings:

     "Change of  Control"  shall  mean the  occurrence  of any of the  following
events:  (i) a majority of the Board of Directors of the Borrower  shall consist
of  persons  who are not  Continuing  Directors  of the  Borrower;  or (ii)  the
acquisition by any person or Group of the power, directly or indirectly, to vote
or direct the voting of Common Stock  having a majority of the  ordinary  voting
power for the election of directors of the Borrower.

     "Continuing  Director" means, as of the date of  determination,  any person
who (i) was a member of the Board of  Directors  of the  Borrower on the Closing
Date or (ii) was  nominated for election or elected to the Board of Directors of
the Borrower with the affirmative vote of a majority of the Continuing Directors
of the  Borrower who were members of such Board of Directors at the time of such
nomination or election.

     "Group"  shall  mean any  "group"  for  purposes  of  Section  13(d) of the
Securities  Exchange  Act of 1934,  as  amended,  or any  successor  statute  or
statutes thereto.

     11. WAIVER. The Borrower waives presentment and demand for payment,  notice
of dishonor, protest and notice of protest of this Note, and shall pay all costs
of  collection  when  incurred,   including,   without  limitation,   reasonable
attorney's fees, costs and other expenses.

     12.  GOVERNING  LAW.  This Note shall be  governed  by, and  construed  and
enforced  in  accordance  with,  the laws of the  State of New  York,  excluding
conflict of law principles that would cause the application of laws of any other
jurisdiction.

     13. SUCCESSORS AND ASSIGNS.  The provisions of this Note shall inure to the
benefit of and be binding on any  successor  to the Borrower and shall extend to
any permitted  holder hereof.  The Borrower may not assign or transfer this Note
or any of its  obligations  under this Note without the prior written consent of
the Lender unless such  transfer is to an  institutional  "accredited  investor"
within the meaning of Rule 501 under the  Securities Act of 1933, as amended and
provided that the  transferee of such transfer is not a competitor,  directly or
indirectly, of the Borrower.

                                      -5-



     14. NOTICES.  Any notices required to be delivered under this Note shall be
delivered  pursuant  to the  notice  procedures  set forth in the Note  Purchase
Agreement.

     15. MODIFICATION.  This Note may be altered only by prior written agreement
signed  by  the  party  against  whom   enforcement   of  any  waiver,   change,
modification, or discharge is sought.


                            [Signature Page Follows]

                                      -6-




     IN WITNESS WHEREOF, the undersigned has executed this Note as of date first
written above.


                                        EMAGIN CORPORATION



                                        By:
                                           --------------------------
                                             Name:
                                             Title: