Tracing Technology’s Evolution with Patents

Tracing Technology’s Evolution with Patents
by Arabinda Das on 04-23-2020 at 10:00 am

Figure 1

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

Cu-Pillar in Advanced Logic Devices
by Arabinda Das on 04-10-2015 at 7:00 pm

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

3D-IC: Embedded Passives
by Arabinda Das on 03-02-2015 at 1:00 am

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