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Four months after he joined Toshiba in 1971, Masuoka, who had just received a doctorate from Tohoku University, invented a type of memory known as SAMOS. After five years at Toshiba, he invented another type and was moved to the semiconductor production division, where he developed a 1-megabit DRAM.
Rambus originally sued Infineon claiming patent infringement on two kinds of PC memory: SDRAM, which is commonly used, and DDR, a newly developed type of memory.
The NAND type of memory sacrifices speed for compactness and a low price.
There are two types of flash memory--the type that goes into cell phones and the other kind that goes into digital cameras.
To the public, NAND-type flash memory is most familiar in the form of memory cards or sticks used in digital cameras or portable music players.
This February, the sales of DRAM memory chips, a type used extensively in PCs, rose by nearly 24% compared with the previous month, as prices continued to rise.
On Tuesday, Sun announced a new focus on using flash memory--the type of chips found in devices like iPods, USB thumb drives and some laptops--to store information in corporate data centers.
Micron has been working to diversify its operations, with more of its operations focusing on producing a type of memory used in smartphones and tablets, which are growing much faster than PCs.
For his work, Masuoka says, he was awarded a few hundred dollars from Toshiba and only after a Japanese newspaper gave his new type of memory an award of invention of the year in 1988.
If you can't get your noggin around the concepts, know the potential: a new type of memory that will be cheaper, faster, and more efficient than current RAM, while also having the flash-like ability to retain data without power.
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On Tuesday, Sun (nasdaq: JAVA - news - people ) announced a new focus on using flash memory--the type of chips found in devices like iPods, USB thumb drives and some laptops--to store information in corporate data centers.
Should RDRAM never gain the wide acceptance the company had hoped for, Rambus' patent claims are an attempt to ensure the company gets a piece of the action through royalty payments, no matter what type of memory takes hold, whether SDRAM, DDR or its preferred RDRAM.
In 1987, again without permission (Masuoka says), he made some batches of his new type of flash memory.
This is the first pocket PC that's designed to use a newer, smaller type of flash memory card called a MultiMediaCard.
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The ultimate ambition, according to Professor Alan Woodward of the University of Surrey, is to produce a type of universal memory "that you can take from one computing device to another".
While waiting for his turn to testify, he began to work on a new type of flash memory, continuing in his spare time until he was ready to apply for patents.
Kolodgy recommends using a "token, " another type of device based on flash memory that functions as a key, made by companies such as Rainbow Technologies.
Everspin makes a type called MRAM (magnetoresistive random access memory), which uses magnetic properties to store data.
Another tidbit is the inclusion of a memory system that will "maintain a record its current state when it is undocked from a particular type of appliance, " meaning that when you return and re-dock your handheld, everything should resume without any hassle.
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