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Qimonda produced computing and consumer DRAM, graphics RAM, mobile RAM and Flash memory. [3] Qimonda was primarily reliant on its Deep Trench technology in comparison to the stack capacitor systems of its rival manufacturers. [4] Deep Trench has the benefit of a theoretically smaller footprint than its stack capacitor rival.
The top of the capacitor is connected to the access transistor's drain terminal via a polysilicon strap (Kenner, pp. 42–44). A trench capacitor's depth-to-width ratio in DRAMs of the mid-2000s can exceed 50:1 (Jacob, p. 357). Trench capacitors have numerous advantages.
The two most common types of DRAM memory cells since the 1980s have been trench-capacitor cells and stacked-capacitor cells. [25] Trench-capacitor cells are where holes (trenches) are made in a silicon substrate, whose side walls are used as a memory cell, whereas stacked-capacitor cells are the earliest form of three-dimensional memory (3D ...
in DRAM memory circuits, capacitor trenches may be 10–20 μm deep, in MEMS, DRIE is used for anything from a few micrometers to 0.5 mm. in irregular chip dicing, DRIE is used with a novel hybrid soft/hard mask to achieve sub-millimeter etching to dice silicon dies into lego-like pieces with irregular shapes. [7] [8] [9]
The Duramax I6 engine is a diesel engine available in select models of General Motors light-duty trucks and SUVs.Applications include the Chevrolet Silverado/GMC Sierra 1500, Chevrolet Suburban/GMC Yukon XL, Chevrolet Tahoe/GMC Yukon, and Cadillac Escalade (both short wheelbase and ESV).
The two main types of random-access memory (RAM) are static RAM (SRAM), which uses several transistors per memory cell, and dynamic RAM (DRAM), which uses a transistor and a MOS capacitor per cell. Non-volatile memory (such as EPROM, EEPROM and flash memory) uses floating-gate memory cells, which consist of a single floating-gate transistor per ...
First-generation Chevrolet Silverado 2500HD (2001–02 Regular Cab) The GMT800 Silverado/Sierra 1500 and 2500 pickup trucks were released in August 1998 as 1999 models. The "classic" light-duty GMT400 C/K trucks continued to be produced for the first two years alongside the new models, and the Heavy-Duty GMT400 pickups (alongside the GMT400 SUVs) were continued until 2000, with the new GMT800 ...
Unlike earlier diesel engines the B-series Cummins used direct injection and did not need glow plugs for cold starting. [2] The engine was first manufactured in Rocky Mount, North Carolina, and other plants were later added in Mexico, Brazil, Turkey, and Darlington, UK. [3] It uses a gear-drive camshaft for extra reliability. Also specified is ...