Some Chinese case-makers expect the new iPad mini to be roughly 0.3mm thicker than the current model, going from 7.2mm to 7.5mm, according to a report from Mac Otakara. The cases also indicate the device will be 0.2mm wider, growing from 134.7mm to some 134.9mm. A number of iPad mini backplates, supposedly from the new device, have leaked over the past few months, with no hint that the size of the new mini will be different from the old one. However, given the small size changes in the new report -- only 0.3mm difference in thickness -- it would likely take a micrometer to notice any change.