EXHIBIT 10.3**SIXTH AMENDMENT TO

LOAN AND SECURITY AGREEMENT

THIS SIXTH AMENDMENT TO LOAN AND SECURITY AGREEMENT (this"Sixth Amendment") is dated as of June 30, 2000 and is entered into between**Scientific Technologies Incorporated Which Will Do Business in California asOregon Scientific Technologies**, an Oregon corporation (the "Borrower"), and**Bank of the West**, a California banking corporation (the "Bank").

	**RECITALS:
A.	 Borrower and Bank have entered into thatcertain Loan and Security Agreement dated November 29, 1994, that certain FirstAmendment to Loan and Security Agreement dated as of May 31, 1995, that certainSecond Amendment to Loan and Security Agreement dated as of May 31, 1996, thatcertain Third Amendment to Loan and Security Agreement dated as of May 31, 1997,that certain Fourth Amendment to Loan and Security Agreement dated as of June 9,1998 and that certain Fifth Amendment to Loan and Security Agreement dated as ofJune 30, 1999 (collectively, the "Loan Agreement") and that certain EquipmentPurchase Line Note dated December 6, 1994 (the "Equipment Purchase LineNote");

B.	 Borrower and Bank intend to further amend the LoanAgreement and/or the Equipment Purchase Line Note as provided by this SixthAmendment.

	**AMENDMENT:
NOW, THEREFORE, Borrower and Bank hereby agree asfollows:

1.	This Sixth Amendment shall modify and, to the extentinconsistent with, amend the Loan Agreement and/or the Equipment Purchase LineNote. Any capitalized term not specifically defined herein shall have themeaning assigned to it in the Loan Agreement.

2.	The last sentence of Section 3.1(a) of the LoanAgreement is hereby deleted in its entirety and is replaced with thefollowing:

For the purpose of this Agreement, "Draw Period" shall meanthe period between the date of this Loan and Security Agreement and the earlierof: (i) June 30, 2001 or (ii) the date on which the aggregate of all advancesmade pursuant to this Section 3.1 equals One Million and 00/100 Dollars($1,000,000.00).

3.	The second sentence of the first paragraph of Section4.1 of the Loan Agreement is hereby deleted in its entirety and is replaced withthe following:

Borrower's right to obtain advances under Section 2.1 and toenter into foreign 

exchange contracts under the FX Facility provided by Section14.1 shall remain in full force and effect until June 30, 2001, and shallcontinue on a month-to-month basis thereafter until terminated by either partyon thirty (30) days prior written notice to the other.

4.	Concurrently with the execution of this SixthAmendment, Borrower shall pay to Bank a fee in an amount equal to Seven ThousandFive Hundred Dollars ($7,500.00), which fee shall represent an unconditional andnon-refundable payment to Bank in consideration of Bank's agreement to enterinto this Sixth Amendment. 

5.	Bank's duties to extend and renew the Obligations andto make advances in accordance with this Sixth Amendment shall be subject to (i)there being no outstanding and uncured defaults under the Loan Agreement, theEquipment Purchase Line Note or any other obligation owing by Borrower to Bankand (ii) the satisfaction of each of the conditions precedent set forth inArticle 6 of the Loan Agreement, each of which is incorporated herein by thisreference; (iii) the executions and delivery of this Sixth amendment and suchother documents as Bank may request (including, without limitation, a CorporateResolution to Borrow and Pledge, an Insurance Information Questionnaire, aWarranties and Representations of Officers, an Automatic Transfer Authorization,and a declaration of Purpose Statement).

6.	Except as amended by this Sixth Amendment, all of theterms and conditions of the Loan Agreement (and each and every document orinstrument executed and delivered in connection therewith) is and shall remainin full force and effect.

7.	Except as amended by this Sixth Amendment, Borrowerhereby ratifies, reaffirms, and remakes as of the date hereof each and everyrepresentation and warranty contained in the Loan Agreement, the EquipmentPurchase Line Note, or in any document executed and delivered in connectiontherewith.

IN WITNESS WHEREOF, Borrower has executed and delivered thisSixth Amendment to Bank on the date first above written at Walnut Creek,California.

"BORROWER"
**SCIENTIFIC TECHNOLOGIES INCORPORATED WHICH WILL DOBUSINESS IN CALIFORNIA AS OREGON SCIENTIFIC TECHNOLOGIES, an Oregoncorporation

By: /s/Joseph J. Lazzara 
Its: President and Chief Executive Officer 
IN WITNESS WHEREOF, Bank hereby accepts this Sixth Amendment to beeffective as of the date first above written in Walnut Creek, California.

"BANK"
**BANK OF THE WEST,

a California banking corporation

 

By: /s/Georgia R. Turner 
Its: Vice President 	 
 **********