Breaking News
Blog

CMOS, CCDs Invade Space Imagers

NO RATINGS
View Comments: Newest First | Oldest First | Threaded View
betajet
User Rank
Author
Greetings over your Orthocon Tube
betajet   12/1/2013 2:22:54 PM
NO RATINGS
I miss the quality of some of the programs that were shot using orthocon tubes.  I only occasionally watch 21st Century television, and it becomes clear within seconds that I'm "not the target demographic".

Much more amusing to see Ernie Kovacs as Percy Dovetonsils, poet laureate, saying "Greetings over your Orthocon Tiube" with that wonderfully silly voice and glasses.

AZskibum
User Rank
Author
Re: CMOS...
AZskibum   11/30/2013 11:46:10 PM
NO RATINGS
I don't think anyone misses those old image orthicon tubes. Thank goodness for both CCD and CMOS image sensors!

Charles.Desassure
User Rank
Author
CMOS...
Charles.Desassure   11/29/2013 2:54:20 PM
NO RATINGS
 

Thanks for this artilce.  I agree with everything in this article except the year of 1969.  I believe that 1968 was the year that laid down the groundwork to ensure that we were successful in 1969.  The first was that re-application of hardware developed for Apollo. This was the approach proposed for the Apollo Applications Program (AAP), which had been endorsed by President Lyndon B. Johnson in 1964-1965. Once again, wonderful article.

_hm
User Rank
Author
CCD for physical research like spectrometer
_hm   11/28/2013 7:26:55 PM
NO RATINGS
I am also interested in knowing current state of CCD imagers for physical research application like spectrmeters working at 20Kelvin.

 

junko.yoshida
User Rank
Author
Re: imaging in space
junko.yoshida   11/27/2013 12:53:48 PM
NO RATINGS
And here's the link to the show -- ET2013 -- I covered in which StarPixel is mentioned:

http://www.eetimes.com/document.asp?doc_id=1320193&cid=SM_ELE_EET_Edit

junko.yoshida
User Rank
Author
imaging in space
junko.yoshida   11/27/2013 12:52:06 PM
NO RATINGS
Thanks for this good article. I was reminded of something similar when I was covering a show in Yokohama, Japan last week.

I saw NEC's image compression algorithm, called StarPixel at the show. It was apparently adopted by the Japan Aerospace Exploration Agency (JAXA) for use in the Venus Climate Orbiter AKATSUKI a few years ago.

I was told that while it took 60 seconds for JPEG 2000 to do lossless compression on a very large image file, it took StarPixel one second. Various constraints working in the space certainly give opportunities for developments of new technologies.

_hm
User Rank
Author
Fairchild CCD 143A
_hm   11/26/2013 6:51:11 PM
NO RATINGS
I remember doing qualification and life test of Faichild CCD143A. It was wonderful to do it and get 20m resolutiion image from low earth orbit satellite.

Susequently it was more powerfull CCDs and now it is microwave remote sensing.

 

Most Recent Comments
michigan0
 
SteveHarris0
 
realjjj
 
SteveHarris0
 
SteveHarris0
 
VicVat
 
Les_Slater
 
SSDWEM
 
witeken
Most Recent Messages
9/25/2016
4:48:30 PM
michigan0 Sang Kim First, 28nm bulk is in volume manufacturing for several years by the major semiconductor companies but not 28nm FDSOI today yet. Why not? Simply because unlike 28nm bulk the LDD(Lightly Doped Drain) to minimize hot carrier generation can't be implemented in 28nm FDSOI. Furthermore, hot carrier reliability becomes worse with scaling, That is the major reason why 28nm FDSOI is not manufacturable today and will not be. Second, how can you suppress the leakage currents from such ultra short 7nm due to the short channel effects? How thin SOI thickness is required to prevent punch-through of un-dopped 7nm FDSOI? Possibly less than 4nm. Depositing such an ultra thin film less then 4nm filum uniformly and reliably over 12" wafers at the manufacturing line is extremely difficult or not even manufacturable. If not manufacturable, the 7nm FDSOI debate is over!Third, what happens when hot carriers are generated near the drain at normal operation of 7nm FDSOI? Electrons go to the positively biased drain with no harm but where the holes to go? The holes can't go to the substrate because of the thin BOX layer. Some holes may become trapped at the BOX layer causing Vt shift. However, the vast majority of holes drift through the the un-dopped SOI channel toward the N+Source,...

Datasheets.com Parts Search

185 million searchable parts
(please enter a part number or hit search to begin)
Like Us on Facebook
EE Times on Twitter
EE Times Twitter Feed