has multiple issues . please help improve it or discuss these issues on the talk page . learn how and when to remove these template messages this article needs additional citations for verification . please help improve this article by adding citations to reliable sources . unsourced material may be challenged and removed . february 2011 learn how and when to remove this template message this article relies too much on references to primary sources . please improve this by adding secondary or tertiary sources . february 2011 learn how and when to remove this template message this article relies largely or entirely upon a single source . relevant discussion may be found on the talk page . please help improve this article by introducing citations to additional sources . february 2011 learn how and when to remove this template message vanguard international semiconductor corporation vis is a specialized ic foundry service provider . it is founded in december 1994 in hsinchu science park taiwan by morris chang . in march 1998 vis became a listed company on the taiwan over the counter stock exchange otc with the main shareholder being tsmc national development fund and other institutional investors . vis was working as a subcontractor for tsmc for the manufacturing of logic and mixed signal products primary focusing on the production and development of dram and other memory ic . in 2000 vis announced its plan to transform from a dram manufacturer into a foundry service provider . as of february 2004 vis completely terminated its dram production and became a pure play foundry company . in 2007 vis has acquired the 8 inch fab of winbond electronics corp. expanding its production ability . sponsored by the industrial technology research institute . one of its main investors is tsmc . vis currently has two 8 inch fabs with a monthly output of approximately 110 000 wafers . see also edit list of companies of taiwan references edit vis corporate overview coordinates 24 46 30 n 120 59 49 e 24.7749 n 120.9970 e 24.7749 ; 120.9970 retrieved from https en.wikipedia.org w index.php title vanguard international semiconductor corporation & oldid 711713735 categories foundry semiconductor companieselectronics companies of taiwantechnology companies of taiwancompanies based in hsinchucompanies established in 1994taiwanese brandshidden categories articles needing additional references from february 2011all articles needing additional referencesarticles lacking reliable references from february 2011all articles lacking reliable referencescoordinates not on wikidata navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages deutsch edit links this page was last modified on 24 march 2016 at 10 57 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view