[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.protondata.com\/blog\/reverse-polarity\/what-is-reverse-polarity\/#Article","mainEntityOfPage":"https:\/\/www.protondata.com\/blog\/reverse-polarity\/what-is-reverse-polarity\/","headline":"What is Reverse Polarity","name":"What is Reverse Polarity","description":"[vc_column_text css=&#8221;.vc_custom_1589986830368{padding-top: 10px !important;padding-right: 10px !important;padding-bottom: 10px !important;padding-left: 10px !important;background-color: #333333 !important;}&#8221;] T-4 REVERSE POLARITY [\/vc_column_text] [vc_column_text]We know that data is stored magnetically on hard disk drives (see Figure 1 ) and that is why degaussing works. But sometimes a magnetic field in one direction may not be strong enough to degauss a high density [&hellip;]","datePublished":"2020-05-20","dateModified":"2020-05-21","author":{"@type":"Person","@id":"https:\/\/www.protondata.com\/blog\/author\/protonsiteadmin\/#Person","name":"ProtonSiteAdmin","url":"https:\/\/www.protondata.com\/blog\/author\/protonsiteadmin\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/f892abcc032eee14738cab0f8a79f5116d70bcb647eb5e2655f162d4f14aba64?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/f892abcc032eee14738cab0f8a79f5116d70bcb647eb5e2655f162d4f14aba64?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"Proton Data Security","logo":{"@type":"ImageObject","@id":"https:\/\/www.protondata.com\/wp-content\/uploads\/2015\/05\/wh-logo-02-schema-correct-size.png","url":"https:\/\/www.protondata.com\/wp-content\/uploads\/2015\/05\/wh-logo-02-schema-correct-size.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.protondata.com\/wp-content\/uploads\/2020\/05\/field1.jpg","url":"https:\/\/www.protondata.com\/wp-content\/uploads\/2020\/05\/field1.jpg","height":622,"width":736},"url":"https:\/\/www.protondata.com\/blog\/reverse-polarity\/what-is-reverse-polarity\/","about":["reverse polarity"],"wordCount":698},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Blog","item":"https:\/\/www.protondata.com\/blog\/#breadcrumbitem"},{"@type":"ListItem","position":2,"name":"Reverse Polarity","item":"https:\/\/www.protondata.com\/blog\/\/reverse-polarity\/#breadcrumbitem"},{"@type":"ListItem","position":3,"name":"What is Reverse Polarity","item":"https:\/\/www.protondata.com\/blog\/reverse-polarity\/what-is-reverse-polarity\/#breadcrumbitem"}]}]