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Online reviews of the new iPad overwhelmingly praised Apple for its improved screen resolution. "My epiphany came when I placed my iPad 2 next to the new model, with the same text on the screen. Letters and words that had seemed sharp on the older model five minutes earlier suddenly looked fuzzier," said one reviewer.
Shintaro Aizawa, 16, who waited 15 hours outside a Tokyo store, said: "After this, well, I'll first of all open it up and check it's as beautiful as I thought. Then I'll get some sleep."
As consumers lined up around city streets to buy the iPad, one firm that took the new device apart said Qualcomm Inc, Broadcom Corp and Samsung Electronics had all held on to their prized roles as key parts suppliers with battery such as Toshiba PA2442UR Battery , Toshiba Portege 300CT Battery , Toshiba PA2498U Battery , Toshiba PA2452UR Battery , Toshiba LBCTS11 Battery , Toshiba PA3727U-1BRS Battery , Toshiba PA3682U-1BRS Battery , Toshiba PA3727U-1BAS Battery , Toshiba PA2431UR Battery , Toshiba PA2502UR Battery , Toshiba PA2503UR Battery , Toshiba PA3689U-1BAS Battery .
The inner workings of the iPad are similar to previous models, based on a "teardown" by a tinkerer from California gadget-repair firm iFixit, who queued up in Australia to get one of the new tablets and quickly took it apart for a Web blog.
IFixit said the iPad's display appears to be from Samsung, Apple's closest rival in the tablet market. It includes a Qualcomm LTE cellphone chip and a Qualcomm wireless modem for 3G and 4G. Broadcom supplies a semiconductor handling wireless tasks like WiFi and Bluetooth, according to iFixit.
Other technology partners include ARM Holdings Plc, Toshiba Corp, Elpida Memory Inc, Avago Technologies Ltd, Triquint Semiconductor Inc and Fairchild Semiconductor International Inc.
Analysts said Cupertino, California-based Apple sometimes uses more than one supplier for a part, so what is found in one iPad may not be present in others. Still, teardowns are a key source of information for investors and the appearance of unexpected chips can move stocks.