Misplaced Pages

Keith Lofstrom: Difference between revisions

Article snapshot taken from Wikipedia with creative commons attribution-sharealike license. Give it a read and then ask your questions in the chat. We can research this topic together.
Browse history interactively← Previous editNext edit →Content deleted Content addedVisualWikitext
Revision as of 22:32, 14 November 2015 editHullaballoo Wolfowitz (talk | contribs)Extended confirmed users, Pending changes reviewers96,059 edits fix frederik frequently← Previous edit Revision as of 06:18, 31 March 2016 edit undoKasparBot (talk | contribs)1,549,811 edits migrating Persondata to Wikidata, please help, see challenges for this articleNext edit →
Line 147: Line 147:
* - IC design consultancy * - IC design consultancy


{{Persondata <!-- Metadata: see ]. -->
| NAME = Lofstrom, Keith
| ALTERNATIVE NAMES =
| SHORT DESCRIPTION = American inventor
| DATE OF BIRTH =
| PLACE OF BIRTH =
| DATE OF DEATH =
| PLACE OF DEATH =
}}
{{DEFAULTSORT:Lofstrom, Keith}} {{DEFAULTSORT:Lofstrom, Keith}}
] ]

Revision as of 06:18, 31 March 2016

Keith Lofstrom is an American electrical engineer. He has a BSEE and MSEE from University of California, Berkeley. He is more widely known in the space advocacy community for a ground-based space launcher design, the Launch Loop, for which he has been credited by name in several works of science fiction. Frederik Pohl, who used the idea in several of his stories, once wrote that, of all the non-rocket spacelaunch concepts, he liked the Lofstrom Loop "best of all."

As an electrical engineer, Lofstrom specializes in mixed-signal integrated circuit design. A paper he wrote on boundary scan methods was one of two to receive an Honorable Mention at the 1997 IEEE International Test Conference. One of his 9 patents is for a way to read an individual digital ID for integrated circuits that arises from random atomic variations inherent in the semiconductor device fabrication process.

One of his more recent efforts in speculative space systems is Server Sky, a very large satellite constellation in Earth orbit using thin-film solar cells to power data center computers integrated into the same wafers as the PV cells.

See also

References

  1. Lofstrom, Keith (1975), "Sinusoidal supply Josephson logic", U.C. Berkeley masters thesis
  2. Lofstrom, Keith H. (8–10 July 1985). "The launch loop -- a low cost Earth-to-high orbit launch system - Paper 85-1368" (PDF). Monterey, CA: 21st AIAA, SAE, ASME, and ASEE, Joint Propulsion Conference. {{cite journal}}: Cite journal requires |journal= (help)
  3. Radley, Charles (September 14, 2009). "Local inventor says launch loop would greatly reduce cost of space travel". Gadgets and Tech: Portland Science Examiner. San Francisco: Examiner.com.
  4. Alexander Bolonkin (2006). "8". In Badescu, Viorel; Cathcart, Richard Brook; Schuiling, Roelof D. (eds.). Space Towers. Macro-engineering: a challenge for the future. Springer. pp. 146–7. ISBN 1-4020-3739-2.
  5. Pohl, Frederik (1983). "Gateway III — Beyond the Gate (Part 1 of 3)". Amazing Science-Fiction. 57. Ultimate Pub. Co: 80.
  6. Pohl, Frederik (1983). Heechee Rendezvous. Vol. 3. Ballantine Books. p. 91. ISBN 0-345-30062-9. {{cite book}}: |work= ignored (help)
  7. Clarke, Arthur C.; Pohl, Frederik (February 2009). The Last Theorem. London: HarperVoyager. p. 55. ISBN 978-0-00-729002-4.
  8. Forward, Robert L. (1985). Starquake. London: Ballantine. p. v. ISBN 978-0-345-28349-8.
  9. "Interview with Frederik Pohl". Amazing Science-Fiction. 69 (590). Ultimate Pub. Co: 98. 1995.
  10. IEEE International Test Conference Proceedings. 1997. p. 8. ISBN 0-7803-4210-0.
  11. System for providing an integrated circuit with a unique identification, Dec 12, 2000 {{citation}}: Cite has empty unknown parameter: |description= (help); Unknown parameter |country-code= ignored (help); Unknown parameter |inventor-first= ignored (help); Unknown parameter |inventor-last= ignored (help); Unknown parameter |inventorlink= ignored (help); Unknown parameter |issue-date= ignored (help); Unknown parameter |patent-number= ignored (help)
  12. "A unique, repeatable, individual digital ID". Nov 30, 2007. Retrieved 2011-07-24.
  13. Lofstrom, K.; Daasch, W.; Taylor, D. "IC Identification Circuit using Device Mismatch" (PDF). 2000 IEEE International Solid-State Circuits Conference Digest of Technical Papers. 43. IEEE Cat. No. OOCH37056. Retrieved 2011-07-24.
  14. Lofstrom, Keith (Winter 2010). "Server Sky - Data Centers in Orbit". Online Journal of Space Communication (16).

External links

Categories: