Embedded Systems Conference
Breaking News
Comments
Newest First | Oldest First | Threaded View
lgadwah
User Rank
Author
re: Momentum builds for directed self-assembly
lgadwah   3/4/2011 7:39:37 PM
NO RATINGS
http://domino.research.ibm.com/comm/research_projects.nsf/pages/selfassembly.nxtalFLASH.html

krisi
User Rank
Author
re: Momentum builds for directed self-assembly
krisi   3/4/2011 4:23:39 PM
NO RATINGS
Can direct sub-assembly find application in other areas of manufacturing beyond lithography? Kris

selinz
User Rank
Author
re: Momentum builds for directed self-assembly
selinz   3/4/2011 4:31:05 AM
NO RATINGS
This sounds similar to the Langmuir blodgett films that IBM was working on in 1983... Cool stuff but it's been around quite a while.. Nice application though.

mcgrathdylan
User Rank
Author
re: Momentum builds for directed self-assembly
mcgrathdylan   3/3/2011 6:01:16 PM
NO RATINGS
@les_slater- paragraph 6 of the above article is my best attempt at explaining what I understand DSA to be in the simplest possible terms. I realize it probably falls short. I solicited this quote from Christopher Bencher of Applied Materials to describe what DSA is. I hope it helps: "Self assembly is a method of patterning using polymer phase-separation to generate features, typically less than 20nm, instead of relying solely on the classic mask projection into photo-resist. It has now established the first 300mm wafer defect density data point for directed self-assembly, and when plotted on historical defect density reduction roadmaps appears to be quite promising; the initial value is comparable to the immersion defect densities in its early years of commercialization. This result merits continued research and development for establishing directed self-assembly as a viable patterning technique for semiconductor manufacturing." -- Christopher Bencher, Applied Materials

double-o-nothing
User Rank
Author
re: Momentum builds for directed self-assembly
double-o-nothing   3/3/2011 3:08:40 PM
NO RATINGS
The number of self-assembled lines is too sensitive to the boundary size. A line could disappear if the boundary is a tad narrow.

Les_Slater
User Rank
Author
re: Momentum builds for directed self-assembly
Les_Slater   3/3/2011 1:17:39 AM
NO RATINGS
K. Eric Wexler is of course, K. Eric Drexler.

Les_Slater
User Rank
Author
re: Momentum builds for directed self-assembly
Les_Slater   3/3/2011 1:05:17 AM
NO RATINGS
The article talks about the potential of this technology and at what development stage it may be at but doesn’t explain what it is. It was the title of the article that brought me to read it. The implications are quite attractive. My first introduction to such concepts was at an MIT talk I attended in the late 80’s by K. Eric Wexler. What this present article is referring to does not seem to be related to his ‘universal assemblers’ though. That was a relief because the mechanism he suggested, engineering proteins for specific mechanical assembly tasks seems quite remote still. So, on this new ‘directed self-assembly’, the question arises, what is the mechanism of the direction? Looking around the web a bit I see there is talk of lithographic patterning and random deposition where capillary, electrostatic and van der Waals forces focus or sharpen the random deposition to conform to the lithographic pattern. Is this what we’re talking about here? Sounds exciting.

Les_Slater
User Rank
Author
re: Momentum builds for directed self-assembly
Les_Slater   3/3/2011 1:03:13 AM
NO RATINGS
The article talks about the potential of this technology and at what development stage it may be at but doesn’t explain what it is. It was the title of the article that brought me to read it. The implications are quite attractive. My first introduction to such concepts was at an MIT talk I attended in the late 80’s by K. Eric Wexler. What this present article is referring to does not seem to be related to his ‘universal assemblers’ though. That was a relief because the mechanism he suggested, engineering proteins for specific mechanical assembly tasks seems quite remote still. So, on this new ‘directed self-assembly’, the question arises, what is the mechanism of the direction? Looking around the web a bit I see there is talk of lithographic patterning and random deposition where capillary, electrostatic and van der Waals forces focus or sharpen the random deposition to conform to the lithographic pattern. Is this what we’re talking about here? Sounds exciting.



Radio
LATEST ARCHIVED BROADCAST
As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

Datasheets.com Parts Search

185 million searchable parts
(please enter a part number or hit search to begin)
Like Us on Facebook
Special Video Section
The LTC®6363 is a low power, low noise, fully differential ...
Vincent Ching, applications engineer at Avago Technologies, ...
The LT®6375 is a unity-gain difference amplifier which ...
The LTC®4015 is a complete synchronous buck controller/ ...
10:35
The LTC®2983 measures a wide variety of temperature sensors ...
The LTC®3886 is a dual PolyPhase DC/DC synchronous ...
The LTC®2348-18 is an 18-bit, low noise 8-channel ...
The LT®3042 is a high performance low dropout linear ...
Chwan-Jye Foo (C.J Foo), product marketing manager for ...
The LT®3752/LT3752-1 are current mode PWM controllers ...
LED lighting is an important feature in today’s and future ...
Active balancing of series connected battery stacks exists ...
After a four-year absence, Infineon returns to Mobile World ...
A laptop’s 65-watt adapter can be made 6 times smaller and ...
An industry network should have device and data security at ...
The LTC2975 is a four-channel PMBus Power System Manager ...
In this video, a new high speed CMOS output comparator ...
The LT8640 is a 42V, 5A synchronous step-down regulator ...
The LTC2000 high-speed DAC has low noise and excellent ...
How do you protect the load and ensure output continues to ...