The field of DRAM is fascinating as it continues to grow and innovate. For the past ten years, I have often read that DRAM is running out of steam because of its difficulty to scale the capacitor, and yet it continues to evolve since invented by Dr. R. Dennard at IBM. In 1966, he introduced the concept of a transistor memory cell consisting… Read More
Author: Arabinda Das
The Journey of DRAM Continues
Tracing Technology’s Evolution with Patents
We live in an age of abundant information. There is a tremendous exchange of ideas crisscrossing the world enabling new innovative type of products to pop up daily. Therefore, in this era there is a greater need to understand competitive intelligence. Corporate companies today are interested in what other competitors are brewing… Read More
Cu-Pillar in Advanced Logic Devices
In 2001, flipchip with solder bump was already a dominant technology and it was replacing wire bonding as the main interconnection choice for a growing number of devices. It was offering fine pitch interconnections for increased I/O counts. In the solder bump process, a bump is formed on the chip and on the package substrate and … Read More
3D-IC: Embedded Passives
IEDM 2014 was held in the second week of December 2014 in San Francisco. The excitement is over now and the dust has settled. Last week, at my leisure, I was glancing through the conference proceedings and short course material from IEDM 2014, when a slide from the 3DIC short course caught my attention. The slide presented below gives… Read More
Real men have fabs!