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{{short description|American technology inventor (born 1939)}}
{{About|the inventor of stereolithography|the military award winner|Charles Hull}}
{{other people|Charles Hull}}
{{pp-pc1}}
{{pp-pc1}}

{{Infobox scientist
{{Infobox scientist
|name = Chuck Hull
|name = Chuck Hull
|image =
|image =
|image_size =
|image_size =
|caption = Chuck Hull with his 3D printer
|caption = Chuck Hull
|birth_date = {{birth date and age|1939|5|12}}
|birth_date = {{birth date and age|1939|5|12}}
|nationality = USA
|nationality = American
|field = [[Stereolithography]]
|known_for = STL file format,
[[stereolithography|SLA 3D printer]]
|known_for = Innovation in [[3D Printing]]
|field = Engineering
|prizes =
}}
}}
'''Chuck Hull''' (Charles W. Hull; born May 12, 1939) is the co-founder, executive vice president and [[chief technology officer]] of [[3D Systems]].<ref>{{cite news | url=https://people.forbes.com/profile/charles-w-hull/135 | work=Forbes | title=Forbes Profile | access-date=2017-08-25 | archive-url=https://web.archive.org/web/20120505184431/http://people.forbes.com/profile/charles-w-hull/135 | archive-date=2012-05-05 | url-status=dead }}</ref><ref>[http://investing.businessweek.com/research/stocks/people/person.asp?personId=308410&ticker=DDD:US Businessweek Executive Profile<!-- Bot generated title -->]</ref> He is an [[inventor]] of the solid imaging process known as [[stereolithography]] ([[3D Printing]]), the first commercial [[rapid prototyping]] technology, and the [[STL (file format)|STL file format]]. He is named on more than 60 [[United States patent law|U.S. patents]] as well as other patents around the world in the fields of [[ion optics]] and [[rapid prototyping]]. He was inducted into the [[National Inventors Hall of Fame]] in 2014<ref>{{cite web|title=Charles Hull: Stereolithography (3D Printing)|url=http://invent.org/inductees/hull-charles/|work=Inductees|publisher=[[National Inventors Hall of Fame]]|accessdate=4 March 2014|archive-url=https://web.archive.org/web/20140312010450/http://invent.org/inductees/hull-charles/|archive-date=12 March 2014|url-status=dead}}</ref> and in 2017 was one of the first inductees into the TCT Hall of Fame.<ref>{{Cite web|url=https://tctawards.com/hall-of-fame/|title=Hall Of Fame|website=TCT Awards 2018|language=en-US|access-date=2017-11-19}}</ref>
'''Chuck Hull''' (Charles W. Hull; born May 12, 1939) is an American [[inventor]] who is the co-founder, executive vice president and [[chief technology officer]] for regenerative medicine<ref>{{Cite web |date=2023-10-26 |title=3D Systems’ Co-founder & Chief Technology Officer, Chuck Hull, Awarded National Medal of Technology and Innovation {{!}} 3D Systems |url=https://www.3dsystems.com/press-releases/3d-systems-co-founder-chief-technology-officer-chuck-hull-awarded-national-medal |access-date=2024-11-29 |website=www.3dsystems.com |language=en}}</ref> of [[3D Systems]].<ref>{{cite news | url=https://people.forbes.com/profile/charles-w-hull/135 | work=Forbes | title=Forbes Profile | access-date=2017-08-25 | archive-url=https://web.archive.org/web/20120505184431/http://people.forbes.com/profile/charles-w-hull/135 | archive-date=2012-05-05 | url-status=dead }}</ref><ref>[https://archive.today/20120711074157/http://investing.businessweek.com/research/stocks/people/person.asp?personId=308410&ticker=DDD:US Businessweek Executive Profile<!-- Bot generated title -->]</ref> He is one of the inventors of the [[stereolithography|SLA 3D printer]], the first commercial [[rapid prototyping]] technology, and the widely used [[STL (file format)|STL file format]]. He is named on more than 60 [[United States patent law|U.S. patents]] as well as other patents around the world in the fields of [[ion optics]] and [[rapid prototyping]]. He was inducted into the [[National Inventors Hall of Fame]] in 2014<ref>{{cite web|title=Charles Hull: Stereolithography (3D Printing)|url=http://invent.org/inductees/hull-charles/|work=Inductees|publisher=[[National Inventors Hall of Fame]]|access-date=4 March 2014|archive-url=https://web.archive.org/web/20140312010450/http://invent.org/inductees/hull-charles/|archive-date=12 March 2014|url-status=dead}}</ref> and in 2017 was one of the first inductees into the TCT Hall of Fame.<ref>{{Cite web|url=https://tctawards.com/hall-of-fame/|title=Hall Of Fame|website=TCT Awards 2018|language=en-US}}</ref>

==Early life==
Chuck Hull was born on May 12, 1939, in [[Clifton, Colorado|Clifton]], [[Colorado]], the son of Lester and Esther Hull. His early life was spent in Clifton and [[Gateway, Colorado|Gateway]], Colorado. He graduated from [[Central High School (Grand Junction, Colorado)|Central High School]] in [[Grand Junction, Colorado|Grand Junction]], Colorado. He received a Bachelor of Science in engineering physics from the [[University of Colorado]] in 1961.<ref>{{cite web|last=3DSYSTEMS|title=Charles W. Hull Co-Founder and Chief Technology Officer|url=http://www.3dsystems.com/files/downloads/3D-Systems-Charles-W-Hull-Executive-Bio.pdf|access-date=17 May 2014}}</ref> He is also a distinguished alumnus of Colorado Mesa University.<ref>{{Cite web|title=Distinguished Alumni – Colorado Mesa University|url=https://www.supportingcmu.com/distinguished-alumni|access-date=2021-11-09|website=www.supportingcmu.com}}</ref>


==Beginnings of stereolithography==
== Beginnings of stereolithography ==
Hull first came up with the idea in 1983 when he was using UV light to harden tabletop coatings.<ref>{{cite news|last=Ponsford|first=Matthew|title=The night I invented 3D printing'\|url=http://www.cnn.com/2014/02/13/tech/innovation/the-night-i-invented-3d-printing-chuck-hall/|accessdate=14 February 2014|newspaper=[[Cable News Network]]|date=14 February 2014}}</ref> But on July 16, 1984 Alain Le Méhauté, Olivier de Witte and Jean Claude André filed their patent for the stereolithography process.<ref>{{Cite news
Hull first came up with the idea in 1983 when he was using UV light to harden tabletop coatings.<ref>{{cite news|last=Ponsford|first=Matthew|title=The night I invented 3D printing'\|url=http://www.cnn.com/2014/02/13/tech/innovation/the-night-i-invented-3d-printing-chuck-hall/|access-date=14 February 2014|newspaper=[[Cable News Network]]|date=14 February 2014}}</ref> But on July 16, 1984, Alain Le Méhauté, Olivier de Witte and Jean Claude André filed their patent for the stereolithography process.<ref>{{Cite news
|first = Andre
|first = Andre
|last = Jean-Claude
|last = Jean-Claude
|title = Disdpositif pour realiser un modele de piece industrielle
|title = Disdpositif pour realiser un modele de piece industrielle
|newspaper = National De La Propriete Industrielle
|newspaper = National De La Propriete Industrielle
|url = http://bases-brevets.inpi.fr/fr/document/FR2567668/publications.html }}</ref> It was three weeks before Chuck Hull filed his own patent for stereolithography. The application of French inventors were abandoned by the French General Electric Company (now Alcatel-Alsthom) and CILAS (The Laser Consortium).<ref>{{Cite web|url = http://3dprint.com/65466/reflections-alain-le-mehaute/|title = 3dprint.com|date = May 15, 2015|access-date = |website = Alain Le Méhauté, The Man Who Submitted Patent For SLA 3D Printing Before Chuck Hull|publisher = |last = Mendoza|first = Hannah Rose}}</ref> The claimed reason was “for lack of business perspective”.<ref>{{Cite news
|url = http://bases-brevets.inpi.fr/fr/document/FR2567668/publications.html }}</ref> It was three weeks before Hull filed his own patent for stereolithography. The application of French inventors were abandoned by the French General Electric Company (now Alcatel-Alsthom) and CILAS (The Laser Consortium).<ref>{{Cite web|url = http://3dprint.com/65466/reflections-alain-le-mehaute/|title = 3dprint.com|date = May 15, 2015|access-date = |website = Alain Le Méhauté, The Man Who Submitted Patent For SLA 3D Printing Before Chuck Hull|publisher = |last = Mendoza|first = Hannah Rose}}</ref> The claimed reason was "for lack of business perspective".<ref>{{Cite news
|first = Alexandre
|first = Alexandre
|last = Moussion
|last = Moussion
|title = Interview d’Alain Le Méhauté, l’un des pères de l’impression 3D
|title = Interview d'Alain Le Méhauté, l'un des pères de l'impression 3D
|newspaper = Primante 3D
|newspaper = Primante 3D
|date = 2014
|date = 2014
|url = http://www.primante3d.com/inventeur }}</ref> Hull coined the term “stereolithography” in his {{US Patent|4575330}} entitled “Apparatus for Production of Three-Dimensional Objects by Stereolithography” issued on March 11, 1986.<ref>[http://www.google.com/patents?id=ye8zAAAAEBAJ&printsec=abstract&source=gbs_overview_r&cad=0#v=onepage&q&f=false U.S. Patent 4,575,330 (“Apparatus for Production of Three-Dimensional Objects by Stereolithography”)<!-- Bot generated title -->]</ref> He defined stereolithography as a method and apparatus for making solid objects by successively “printing” thin layers of the ultraviolet curable material one on top of the other.
|url = http://www.primante3d.com/inventeur }}</ref> Hull coined the term "stereolithography" in his {{US Patent|4575330}} entitled "Apparatus for Production of Three-Dimensional Objects by Stereolithography" issued on March 11, 1986.<ref>[https://patents.google.com/patent/US4575330 U.S. Patent 4,575,330 ("Apparatus for Production of Three-Dimensional Objects by Stereolithography")<!-- Bot generated title -->]</ref> He defined stereolithography as a method and apparatus for making solid objects by successively "printing" thin layers of the ultraviolet curable material one on top of the other.
In Hull's patent, a concentrated beam of ultraviolet light is focused onto the surface of a vat filled with liquid [[photopolymer]]. The light beam, moving under computer control, draws each layer of the object onto the surface of the liquid. Wherever the beam strikes the surface, the photopolymer polymerizes/crosslinks and changes to a solid. An advanced [[computer-aided design|CAD/CAM/CAE]] software mathematically slices the computer model of the object into a large number of thin layers. The process then builds the object layer by layer starting with the bottom layer, on an elevator that is lowered slightly after solidification of each layer.
In Hull's patent, a concentrated beam of ultraviolet light is focused onto the surface of a vat filled with liquid [[photopolymer]]. The light beam, moving under computer control, draws each layer of the object onto the surface of the liquid. Wherever the beam strikes the surface, the photopolymer polymerizes/crosslinks and changes to a solid. An advanced [[computer-aided design|CAD/CAM/CAE]] software mathematically slices the computer model of the object into a large number of thin layers. The process then builds the object layer by layer starting with the bottom layer, on an elevator that is lowered slightly after solidification of each layer.
<ref>{{Cite web |url=http://www.photopolymer.com/stereolithography.htm |title=Stereolithography<!-- Bot generated title --> |access-date=2008-01-31 |archive-url=https://web.archive.org/web/20080214125415/http://www.photopolymer.com/stereolithography.htm |archive-date=2008-02-14 |url-status=dead }}</ref>
<ref>{{Cite web |url=http://www.photopolymer.com/stereolithography.htm |title=Stereolithography<!-- Bot generated title --> |access-date=2008-01-31 |archive-url=https://web.archive.org/web/20080214125415/http://www.photopolymer.com/stereolithography.htm |archive-date=2008-02-14 |url-status=dead }}</ref>


== Commercial rapid prototyping ==
== Commercial rapid prototyping ==
In 1986, commercial [[rapid prototyping]] was started by Hull when he founded 3D Systems in [[Valencia, California]].<ref>{{Cite web|url=http://www.wtec.org/pdf/rp_vi.pdf|title=Rapid prototyping in Europe and Japan|last=|first=|date=|website=|url-status=dead|archive-url=https://web.archive.org/web/20170830061713/http://www.wtec.org/pdf/rp_vi.pdf|archive-date=2017-08-30|access-date=2019-10-23}}</ref> Hull realized that his concept was not limited to liquids and therefore gave it the generic name “stereolithography” ([[3D printing]]),<ref>[http://www.labgrab.com/timeline/event/first-3d-printer-3d-systems History of 3D<!-- Bot generated title -->]</ref> and filed broad patent claims covering any “material capable of solidification” or “material capable of altering its physical state.”
In 1986, commercial [[rapid prototyping]] was started by Hull when he founded 3D Systems in [[Valencia, California]].<ref>{{Cite web|url=http://www.wtec.org/pdf/rp_vi.pdf|title=Rapid prototyping in Europe and Japan|last=|first=|date=|website=|url-status=dead|archive-url=https://web.archive.org/web/20170830061713/http://www.wtec.org/pdf/rp_vi.pdf|archive-date=2017-08-30|access-date=2019-10-23}}</ref> He realized that his concept was not limited to liquids and therefore gave it the generic name "stereolithography" ([[3D printing]]),<ref>[https://web.archive.org/web/20120425045548/http://www.labgrab.com/timeline/event/first-3d-printer-3d-systems History of 3D<!-- Bot generated title -->]</ref> and filed broad patent claims covering any "material capable of solidification" or "material capable of altering its physical state".


Hull built up a patent portfolio covering many fundamental aspects of today's [[additive manufacturing]] technologies such as data preparation via triangulated models (STL file format) and slicing, and exposure strategies such as alternating hatch directions.
Hull built up a patent portfolio covering many fundamental aspects of today's [[additive manufacturing]] technologies such as data preparation via triangulated models (STL file format) and slicing, and exposure strategies such as alternating hatch directions.<ref>[https://web.archive.org/web/20060820222043/http://bettamachinetools.com.au/dls/HistoryanddevelopementofDMLS_net.pdf Microsoft Word – LANE-2004-EOS-DMLS.doc<!-- Bot generated title -->]</ref>
<ref>[https://web.archive.org/web/20060820222043/http://bettamachinetools.com.au/dls/HistoryanddevelopementofDMLS_net.pdf Microsoft Word – LANE-2004-EOS-DMLS.doc<!-- Bot generated title -->]</ref>


The salary for his role as 3D Systems CTO was $307,500 in 2011.<ref>{{cite news |title=Charles W. Hull Profile |url=https://people.forbes.com/profile/charles-w-hull/135 |work=[[Forbes#Forbes.com|Forbes.com]] |publisher=[[Forbes]] |accessdate=28 October 2011 |archive-url=https://web.archive.org/web/20120505184431/http://people.forbes.com/profile/charles-w-hull/135 |archive-date=5 May 2012 |url-status=dead }}</ref>
The salary for his role as 3D Systems CTO was $307,500 in 2011.<ref>{{cite news |title=Charles W. Hull Profile |url=https://people.forbes.com/profile/charles-w-hull/135 |work=[[Forbes]] |access-date=28 October 2011 |archive-url=https://web.archive.org/web/20120505184431/http://people.forbes.com/profile/charles-w-hull/135 |archive-date=5 May 2012 |url-status=dead }}</ref>


==Recognition==
==Recognition==
*2014 winner of the [[European Inventor Award]] in the Non-European countries category <ref>[http://www.epo.org/learning-events/european-inventor/finalists/2014/hull.html Invention: [[3D printing]] (stereolithography)]</ref> awarded by the [[European Patent Office]]
*2014 winner of the [[European Inventor Award]] in the Non-European countries category<ref>[http://www.epo.org/learning-events/european-inventor/finalists/2014/hull.html Invention: 3D printing (stereolithography)]</ref> awarded by the [[European Patent Office]]
*2015 winner of the [[Industrial Research Institute]]'s [[IRI Achievement Award]] for his invention of [[stereolithography]].
*2015 winner of the [[Industrial Research Institute]]'s [[IRI Achievement Award]] for his invention of [[stereolithography]].
*2020 winner of the [[Royal Photographic Society]] Progress Medal.<ref>{{cite web |url=https://rps.org/news/bristol/2020/october/rps-awards-2020/ |title=RPS Awards 2020 Recipients Announced |quote=The Progress Medal is given to Charles (Chuck) Hull, Co-Founder and Chief Technology Officer of 3D Systems in recognition of his invention of stereolithography, the first commercial 3D printing technology. |last=Lee |first=Rebecca |date=21 October 2020 |access-date=6 April 2021}}</ref>
*2023 Recipient of National Medal of Technology and Innovation awarded by President [[Joe Biden]] for outstanding contributions to America’s economic, environmental, and social well-being.<ref>{{Cite web |date=2023-10-26 |title=3D Systems’ Co-founder & Chief Technology Officer, Chuck Hull, Awarded National Medal of Technology and Innovation {{!}} 3D Systems |url=https://www.3dsystems.com/press-releases/3d-systems-co-founder-chief-technology-officer-chuck-hull-awarded-national-medal |access-date=2024-06-27 |website=www.3dsystems.com |language=en}}</ref>


== References ==
== References ==
Line 48: Line 54:
* [http://www.3dsystems.com 3D Systems Web site: http://www.3dsystems.com]
* [http://www.3dsystems.com 3D Systems Web site: http://www.3dsystems.com]
* [https://web.archive.org/web/20120505184431/http://people.forbes.com/profile/charles-w-hull/135 Forbes Magazine Profile, Charles W. Hull https://www.forbes.com]
* [https://web.archive.org/web/20120505184431/http://people.forbes.com/profile/charles-w-hull/135 Forbes Magazine Profile, Charles W. Hull https://www.forbes.com]
* [http://investing.businessweek.com/research/stocks/people/person.asp?personId=308410&ticker=DDD:US Executive Profile: Charles W. Hull, http://www.businessweek.com]
* [https://archive.today/20120711074157/http://investing.businessweek.com/research/stocks/people/person.asp?personId=308410&ticker=DDD:US Executive Profile: Charles W. Hull, http://www.businessweek.com]


{{authority control}}
{{authority control}}

Latest revision as of 17:55, 29 November 2024

For other people named Charles Hull, see Charles Hull (disambiguation).

Chuck Hull
Born (1939-05-12) May 12, 1939 (age 85)
NationalityAmerican
Known forSTL file format, SLA 3D printer
Scientific career
FieldsEngineering

Chuck Hull (Charles W. Hull; born May 12, 1939) is an American inventor who is the co-founder, executive vice president and chief technology officer for regenerative medicine[1] of 3D Systems.[2][3] He is one of the inventors of the SLA 3D printer, the first commercial rapid prototyping technology, and the widely used STL file format. He is named on more than 60 U.S. patents as well as other patents around the world in the fields of ion optics and rapid prototyping. He was inducted into the National Inventors Hall of Fame in 2014[4] and in 2017 was one of the first inductees into the TCT Hall of Fame.[5]

Early life

[edit]

Chuck Hull was born on May 12, 1939, in Clifton, Colorado, the son of Lester and Esther Hull. His early life was spent in Clifton and Gateway, Colorado. He graduated from Central High School in Grand Junction, Colorado. He received a Bachelor of Science in engineering physics from the University of Colorado in 1961.[6] He is also a distinguished alumnus of Colorado Mesa University.[7]

Beginnings of stereolithography

[edit]

Hull first came up with the idea in 1983 when he was using UV light to harden tabletop coatings.[8] But on July 16, 1984, Alain Le Méhauté, Olivier de Witte and Jean Claude André filed their patent for the stereolithography process.[9] It was three weeks before Hull filed his own patent for stereolithography. The application of French inventors were abandoned by the French General Electric Company (now Alcatel-Alsthom) and CILAS (The Laser Consortium).[10] The claimed reason was "for lack of business perspective".[11] Hull coined the term "stereolithography" in his U.S. patent 4,575,330 entitled "Apparatus for Production of Three-Dimensional Objects by Stereolithography" issued on March 11, 1986.[12] He defined stereolithography as a method and apparatus for making solid objects by successively "printing" thin layers of the ultraviolet curable material one on top of the other. In Hull's patent, a concentrated beam of ultraviolet light is focused onto the surface of a vat filled with liquid photopolymer. The light beam, moving under computer control, draws each layer of the object onto the surface of the liquid. Wherever the beam strikes the surface, the photopolymer polymerizes/crosslinks and changes to a solid. An advanced CAD/CAM/CAE software mathematically slices the computer model of the object into a large number of thin layers. The process then builds the object layer by layer starting with the bottom layer, on an elevator that is lowered slightly after solidification of each layer. [13]

Commercial rapid prototyping

[edit]

In 1986, commercial rapid prototyping was started by Hull when he founded 3D Systems in Valencia, California.[14] He realized that his concept was not limited to liquids and therefore gave it the generic name "stereolithography" (3D printing),[15] and filed broad patent claims covering any "material capable of solidification" or "material capable of altering its physical state".

Hull built up a patent portfolio covering many fundamental aspects of today's additive manufacturing technologies such as data preparation via triangulated models (STL file format) and slicing, and exposure strategies such as alternating hatch directions.[16]

The salary for his role as 3D Systems CTO was $307,500 in 2011.[17]

Recognition

[edit]

References

[edit]
  1. ^ "3D Systems' Co-founder & Chief Technology Officer, Chuck Hull, Awarded National Medal of Technology and Innovation | 3D Systems". www.3dsystems.com. 2023-10-26. Retrieved 2024-11-29.
  2. ^ "Forbes Profile". Forbes. Archived from the original on 2012-05-05. Retrieved 2017-08-25.
  3. ^ Businessweek Executive Profile
  4. ^ "Charles Hull: Stereolithography (3D Printing)". Inductees. National Inventors Hall of Fame. Archived from the original on 12 March 2014. Retrieved 4 March 2014.
  5. ^ "Hall Of Fame". TCT Awards 2018.
  6. ^ 3DSYSTEMS. "Charles W. Hull Co-Founder and Chief Technology Officer" (PDF). Retrieved 17 May 2014.{{cite web}}: CS1 maint: numeric names: authors list (link)
  7. ^ "Distinguished Alumni – Colorado Mesa University". www.supportingcmu.com. Retrieved 2021-11-09.
  8. ^ Ponsford, Matthew (14 February 2014). "The night I invented 3D printing'\". Cable News Network. Retrieved 14 February 2014.
  9. ^ Jean-Claude, Andre. "Disdpositif pour realiser un modele de piece industrielle". National De La Propriete Industrielle.
  10. ^ Mendoza, Hannah Rose (May 15, 2015). "3dprint.com". Alain Le Méhauté, The Man Who Submitted Patent For SLA 3D Printing Before Chuck Hull.
  11. ^ Moussion, Alexandre (2014). "Interview d'Alain Le Méhauté, l'un des pères de l'impression 3D". Primante 3D.
  12. ^ U.S. Patent 4,575,330 ("Apparatus for Production of Three-Dimensional Objects by Stereolithography")
  13. ^ "Stereolithography". Archived from the original on 2008-02-14. Retrieved 2008-01-31.
  14. ^ "Rapid prototyping in Europe and Japan" (PDF). Archived from the original (PDF) on 2017-08-30. Retrieved 2019-10-23.
  15. ^ History of 3D
  16. ^ Microsoft Word – LANE-2004-EOS-DMLS.doc
  17. ^ "Charles W. Hull Profile". Forbes. Archived from the original on 5 May 2012. Retrieved 28 October 2011.
  18. ^ Invention: 3D printing (stereolithography)
  19. ^ Lee, Rebecca (21 October 2020). "RPS Awards 2020 Recipients Announced". Retrieved 6 April 2021. The Progress Medal is given to Charles (Chuck) Hull, Co-Founder and Chief Technology Officer of 3D Systems in recognition of his invention of stereolithography, the first commercial 3D printing technology.
  20. ^ "3D Systems' Co-founder & Chief Technology Officer, Chuck Hull, Awarded National Medal of Technology and Innovation | 3D Systems". www.3dsystems.com. 2023-10-26. Retrieved 2024-06-27.
[edit]
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