SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(B) OR (G) OF THE SECURITIES EXCHANGE ACT OF 1934 Key Technology, Inc. - -------------------------------------------------------------------------------- (Exact name of registrant as specified in its charter) Oregon 93-0822509 - ----------------------------------------- ----------------------------------- (State of incorporation or organization) (IRS Employer Identification No.) 150 Avery Street Walla Walla, Washington 99362 - ----------------------------------------- ----------------------------------- (Address of principal executive offices) (Zip Code) Securities to be registered pursuant to Section 12(b) of the Act: Name of each exchange on which Title of each class to be so registered each class is to be registered - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- If this Form relates to the registration of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c), check the following box. |_| If this Form relates to the registration of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d), check the following box. |X| Securities Act registration statement file number to which this Form relates: 333-36920 --------------- (if applicable) Securities to be registered pursuant to Section 12(g) of the Act: Series B Convertible Preferred Stock Nasdaq SmallCap Market - -------------------------------------------------------------------------------- (Title of Class) Warrants Nasdaq SmallCap Market - -------------------------------------------------------------------------------- (Title of Class) Page 1 of 3 ITEM 1. DESCRIPTION OF REGISTRANT'S SECURITIES TO BE REGISTERED The description of the Registrant's Series B Convertible Preferred Stock and Warrants provided in the Registration Statement on Form S-4, as amended by Amendment No. 1 and declared effective by the Securities and Exchange Commission on June 7, 2000, under the headings "Description of Securities" and "Comparative Rights of Key Technology and Advanced Machine Vision Shareholders" is incorporated herein by reference. ITEM 2. EXHIBITS 3.1 Registrant's Restated Articles of Incorporation, as amended through July 12, 2000 3.2 Registrant's Restated Bylaws 4.1 Certificate of Designation Series B Convertible Preferred Stock (included as part of Exhibit 3.1) 4.2 Warrant to Purchase Shares of Common Stock of the Registrant 4.3 Warrant Agreement between Registrant and Warrant Agent SIGNATURE --------- Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized. KEY TECHNOLOGY, INC. Date: September 1, 2000 By: /s/ Thomas C. Madsen ---------------------------------------- Thomas C. Madsen Chairman, President and Chief Executive Officer Page 2 of 3 EXHIBIT INDEX Exhibit Page No. - ------- -------- 3.1 Restated Articles of Incorporation-------------------------------- 4 3.2 Restated Bylaws--------------------------------------------------- * 4.1 Certificate of Designation Series B Convertible Preferred Stock (included as part of Exhibit 3.1) -------------------------------- 4.2 Warrant to Purchase Shares of Common Stock of the Registrant------ 37 4.3 Warrant Agreement between Registrant and Warrant Agent------------ 44 - ----------------------------------------- * Incorporated by reference to Exhibit 3.2 of the Registrant's Registration Statement on Form S-4 (Registration No. 333-36920), as amended by Amendment No. 1 filed with the Securities Exchange Commission on June 2, 2000. 004002\00131\353290 V001 Page 3 of 3