Bare board testing and Mycronic
                
                History
Since June 2021 atg Luther & Maelzer is a part of Mycronic.
Mycronic timeline from 1989

Bare board testing timeline
| June 2021 | atg Luther & Maelzer is acquired by Mycronic. | 
| Oct 2018 | Xcerra Corporation is acquired by Cohu, Inc. | 
| April 2014 | Combined business renamed to Xcerra Corporation | 
| Dec 2013 | atg Luther & Maelzer is acquired by LTX-Credence | 
| July 2006 | atg Wertheim and LM Wunstorf start to consolidate operations and merged into atg Luther & Maelzer GmbH | 
| 1979 | atg test systems: Founding of atg cable and wiring test system | 
| 1972 | Luther & Maelzer: Founded by Erich Luther & Martin Maelzer | 
Bare board testing product history
- January 2021
 Launch of the flying probe tester A9.
- June 2017 
 atg Luther & Maelzer celebrates the 1500. flying probe tester produced in Wertheim/Germany
- March 2017
 Release of automatic flying probe tester A8a with new dual shuttle technology and housing design
- March 2016
 Release of automatic step tester LM1000 on CPCA show Shanghai
- June 2015
 Introduction of double-sided substrate tester S3-8 on JPCA Show Tokio
- Nov 2014
 Introduction of oversize flying probe tester with up to 24 test heads and 60″ test area
- Oct  2014
 Launch of single-sided substrate tester S3-4
- Dec 2012
 Release of automatic flying probe tester A7a for production panel test
- Oct 2012
 Release of flying probe tester A7 with direct linear drive technology
- June 2008
 Introduction of the Octal density (35 mil) fixture tester LM800 Picomat
- Nov 2007
 Introduction of the new generation of automated flying probe tester A5a on Productronica show Munich
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