Apple is expecting a large surge in demand for the iPad 2 in the back-to-school period, leaked supply numbers hint. One of the tablet's panel makers, Chimei Innolux, is expected to ship 400,000 to 500,000 iPads in June but more than double that to crest over one million a month in July. Combined with manufacturing from TPK and Wintek, the data led Digitims to word of shipments of 3.5 million to four million iPads every month, or 10.5 million to 12 million every quarter.