LOS ANGELES (AP) — Taking aim at perceived flaws in Apple's iPad, Microsoft unveiled Surface, a tablet computer that comes with a detachable rubberized keyboard that also acts like a book cover.
CEO Steve Ballmer said Monday that the sleek new device will be as useful for consuming entertainment as it will be for creating documents "without compromising the productivity that PCs are uniquely known for."
One version, which won't go on sale until sometime in the fall, is 9.3 millimeter thick and works on the Windows RT operating system which was made for tablets that run on low-power chips designed by British chipmaker ARM Holdings PLC. It comes with a kickstand to hold it upright and a touch keyboard cover that snaps on using magnets. The device weighs under 1.5 pounds and will cost about as much as other tablet computers.
The size is similar to the latest iPad, which is 9.4 millimeters thick and weighs 1.3 pounds. Microsoft also promised that the Surface's price tag will be similar to the iPad, which sells for $499 to $829, depending on the model.
Microsoft's broadside against the iPad is a dramatic step to ensure that its Windows software plays a major role in the increasingly important mobile computing market.
"They are saying it's a different world now and are trying to put the sexy back into the Microsoft brand," said Gartner Inc. analyst Carolina Milanesi.
Microsoft is linking the Surface's debut with the release of its much-anticipated Windows 8 operating system, which has been designed with tablets in mind. The company hasn't specified when Windows 8 will hit the market, but most analysts expect the software to come out in September or October.
Steven Sinofsky, president of Microsoft's Windows division, called the device a "tablet that's a great PC —a PC that's a great tablet."
A slightly thicker version — still less than 14 millimeters thick and under 2 pounds — will work on Microsoft's upcoming Windows 8 Pro operating system and cost as much as an Ultrabook, the company said. The pro version comes with a stylus that allows users to make handwritten notes on documents such as PDF files. It will be released about three months later.
Each tablet works with a keyboard cover that is just 3 millimeters thick and resembles the lightweight "Smart Cover" that Apple Inc. sells for $38, but with a full QWERTY keyboard. It is rigidly flat instead of foldable. The kickstand for both tablets was just 0.7 millimeters thick, less than the thickness of a credit card.
Although the Surface looks like an elegant device, Forrester Research analyst Sarah Rotman Epps criticized Microsoft for not using attention focused on Monday's announcement to highlight some of the reasons that it might be a better option than the iPad. For instance, she thinks Microsoft could have shown how its video calling service, Skype, will work on Surface or how people might be able to use its motion-control sensor, Kinect, on the tablet.
"I am excited about this product, but it felt like Microsoft was pulling punches with this announcement," Epps said. "Hardware is only part of the dynamic. They need to explain how Microsoft manufacturing this device will change people's experience with a tablet."
Microsoft also may be limiting the Surface's impact by limiting the initial sales to its own stores and online channels.
The cautious approach may be part of Microsoft's attempt to minimize a possible backlash to an expansion that will thrust it into competition with some of its longtime business partners and customers.
Manufacturing a tablet represents a departure from Microsoft's highly successful strategy in the PC market.
With PCs, Microsoft was content to leave the design and marketing of the hardware to other companies, such as Hewlett-Packard, Dell, Lenovo and Acer, that licensed the Windows operating system and other software applications.
The more hands-on approach may upset some manufacturers.
"Are their partners going to be happy about it? No, but there isn't much they can do about it," said Gartner's Milanesi.
Epps also believes Microsoft runs the risk of alienating key partners. Microsoft may even be able to build a sleeker device than traditional PC makers because it won't have to pay licensing fees for an operating system.
Microsoft has been making software for tablets since 2002, when it shipped the Windows XP Tablet PC Edition. Many big PC makers produced tablets that ran the software, but they were never big sellers. The tablets were based on PC technology, and were heavy, with short battery lives.
Microsoft didn't say how long the Surface would last on battery power.
It won't be the first time Microsoft has ventured into hardware. And the Surface won't be its first computer, in the broad sense. The successful Xbox game console is essentially a PC designed to connect to a TV and play video games.
Microsoft has also made its own music player, the Zune, and a line of phones, the Kin. In both cases, it produced these products after hardware partners had failed to produce competitive products with Microsoft's software.
Both products were failures. The Zune gained favorable reviews when it launched in 2006, but still couldn't hold its own against the iPod, and was discontinued last year. The Kin phones were panned and pulled from shelves within two months of their launch in 2010.
The Xbox, on the other hand, didn't tread on the toes of any Microsoft partners. Launched in 2001, it has made Microsoft a major player in console gaming, alongside Sony and Nintendo. But it was a money-loser for many years, and while it's been profitable more recently, it's only marginally so, especially when compared to Microsoft's lucrative software business.
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AP Technology Writers Michael Liedtke in San Francisco and Peter Svensson in New York contributed to this report.