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Vacuum deposited polycrystalline silicon films for solar cell applications. Second quarterly technical progress report. January 1-March 31, 1980 (open access)

Vacuum deposited polycrystalline silicon films for solar cell applications. Second quarterly technical progress report. January 1-March 31, 1980

A careful study of a specially formed thin silicon layer on TiB/sub 2/-coated sapphire reveals that the interaction layer of TiSi/sub 2/ is composed of larger grains. Processing steps were developed which lead closer to the goal of fabricating polycrystalline silicon photovoltaic devices completely by vacuum deposition. Both n-type and p-type silicon are now being deposited. New deposition masks were made for depositing the n-regions upon the p-layers. New electrode deposition masks were also made for a direct electroding process to replace the photolithographic process used previously. The TiB/sub 2/ bottom electrode fabrication has been achieved in a single vacuum chamber. Reaction constants and activation energy for TiB/sub 2/ layer formation were determined to be less than those reported by other authors for bulk material. Studies of crystallite growth and interfacial interactions have continued. Major sources of undesirable impurities have been identified and removed from the vacuum chambers. The changes made this quarter have not been incorporated into a completed photovoltaic device.
Date: May 1, 1980
Creator: Feldman, C.; Arlington, III, C. H.; Blum, N. A. & Satkiewicz, F. G.
Object Type: Report
System: The UNT Digital Library

[Photograph 2012.201.B0238.0114]

Photograph taken for a newspaper owned by the Oklahoma Publishing Company.
Date: May 8, 1960
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History
[Letters to the BRAC Commission - May-June 2005] (open access)

[Letters to the BRAC Commission - May-June 2005]

Letters from concerned citizens to the BRAC Commission in response to the recommendation regarding the consolidation of military media organizations into a new agency at Fort Meade, Maryland.
Date: May 2005
Creator: Proctor, Gerry & Kresge, James C., Jr.
Object Type: Letter
System: The UNT Digital Library
[News Script: Drugs] (open access)

[News Script: Drugs]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: May 1, 1969, 10:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
Comparative Study of Magnetic Surveys of Worcester County, Maryland: Made on the Ground and From Airplane Observations (open access)

Comparative Study of Magnetic Surveys of Worcester County, Maryland: Made on the Ground and From Airplane Observations

Report issued by the U.S. Bureau of Mines on magnetic surveys conducted on Worcester County, Maryland. The results of observations obtained on the ground and from the air are presented. This report includes tables, graphs, and maps.
Date: May 1947
Creator: Kuehn, Hugo E. & Dent, Guy E.
Object Type: Report
System: The UNT Digital Library
[News Script: Wallace] (open access)

[News Script: Wallace]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: May 29, 1972, 10:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Wallace shooting] (open access)

[News Script: Wallace shooting]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: May 30, 1972, 12:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library

[Photograph 2012.201.B0052.0920]

Photograph taken for a newspaper owned by the Oklahoma Publishing Company. Caption: "Police and firemen administer first aid to two girls who were among those injured in an accident Saturday on an escalator at Baltimore's Stadium."
Date: May 3, 1964
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0236.0278]

Photograph taken for a newspaper owned by the Oklahoma Publishing Company. Caption: "Warren W. Connor, former city councilman here and now a lieutenant colonel in the airforce, recently was named chief of the military justice division, air research and development command, Baltimore, Md."
Date: May 3, 1955
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0052.0919]

Photograph taken for a newspaper owned by the Oklahoma Publishing Company. Caption: "A girl injured in an escalator accident at Baltimore's Memorial Stadium Saturday is lifted over a railing by fireman. The girl had been crying with pain and covered her face as the picture was taken."
Date: May 3, 1964
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History
An Experimental Evaluation of the Radiation Protection Afforded by a Large Modern Concrete Office Building (open access)

An Experimental Evaluation of the Radiation Protection Afforded by a Large Modern Concrete Office Building

Abstract: "An experimental study was made to determine the effective shielding provided by a modern reinforced-concrete office building (AEC Headquarters building) from nuclear fallout. Pocket ionization chambers were used for measurement of the radiation-field strength. Fallout was simulated with distributed and point-source configurations of Co-60 and Ir-192 sources. Four typical sections were selected for study, and experiments were performed on each. These included an external wing with exposed basement walls and an external wing with a buried basement. Roof studies were made on an internal wing with a full basement and on the east end of wing A, which has a thin-roof construction. The thick-roof construction of 8 in. of concrete and 2 in. of rigid insulation covers all the building except the east end of wing A, which has 4 in. of concrete and 2 in. of insulation."
Date: May 1, 1959
Creator: Batter, J. F., Jr.; Kaplan, A. L. & Clarke, Eric Thacher
Object Type: Report
System: The UNT Digital Library
Potential geothermal energy use at the Naval Air Rework Facilities, Norfolk, Virginia and Jacksonville, Florida, and at the naval shipyard, Charleston, South Carolina (open access)

Potential geothermal energy use at the Naval Air Rework Facilities, Norfolk, Virginia and Jacksonville, Florida, and at the naval shipyard, Charleston, South Carolina

The feasibility of geothermal energy use at naval installations in Norfolk, VA, Jacksonville, FL, and Charleston, SC was assessed. Geophysical and geological studies of the above areas were performed. Engineering and economic factors, affecting potential energy use, were evaluated. The Norfolk and Jacksonville facilities are identified as candidates for geothermal systems. System costs are predicted. Economic benefits of the proposed geothermal systems are forecast, using the net present value method of predicting future income.
Date: May 1, 1984
Creator: Costain, J. K.; Glover, L., III & Newman, R. W.
Object Type: Report
System: The UNT Digital Library
[Letter of Notification Regarding William W. Wilson, May 4, 1864] (open access)

[Letter of Notification Regarding William W. Wilson, May 4, 1864]

Letter from the Provost Marshal's Office, addressed to the commanding officer of Company F, 1st Regiment, New York Cavalry Vols. regarding William W. Wilson. Text of letter: Sir: I have the honor to inform you that William W. Wilson of your Company was reported at this office, from the Carlisle District, Pa., as a Deserter from the U. S. Army, May 2nd, 1864. He was this day forwarded to Baltimore en route to his Regiment. Cost of Arrest....$30.00 " Transportation....$2.10 Total to be charged....#32.10 The letter is signed by "Capt. 53d P. V., and Provost Marshal Post."
Date: May 4, 1864
Creator: unknown
Object Type: Letter
System: The UNT Digital Library
[Letter of Notification Regarding John Duger, May 4, 1864] (open access)

[Letter of Notification Regarding John Duger, May 4, 1864]

Letter from the Provost Marshal's Office, addressed to the commanding officer of Company F, 1st Regiment, New York Cavalry Vols. regarding John Duger. Text of letter: Sir: I have the honor to inform you that John Duger of your Company was reported at this office, from the Carlisle District, Pa., as a Deserter from the U. S. Army, May 2nd, 1864. He was this day forwarded to Baltimore en route to his Regiment. Cost of Arrest....$30.00 " Transportation....$2.10 Total to be charged....#32.10 The letter is signed by "Capt. 53d P. V., and Provost Marshal Post."
Date: May 4, 1864
Creator: unknown
Object Type: Letter
System: The UNT Digital Library
[Invoice of ordnance and ordnance stores, May 15, 1864] (open access)

[Invoice of ordnance and ordnance stores, May 15, 1864]

Invoice of ordnance and ordnance stores created by Capt. Henry J. Draine on May 15, 1864. The following items were given to Lt. Hamilton K. Redway by Capt. Draine: two sets of complete horse equipment, five complete carbines, two complete sabres, and one saddle. The items were turned over to Redway while the two men were at a camp in Pleasantville, Md.
Date: May 15, 1864
Creator: Draine, Henry J.
Object Type: Text
System: The UNT Digital Library
[Invoice of ordnance and ordnance stores, May 15, 1864] (open access)

[Invoice of ordnance and ordnance stores, May 15, 1864]

Invoice of ordnance and ordnance stores created by Capt. Henry J. Draine on May 15, 1864. The following items were given to Lt. Hamilton K. Redway by Capt. Draine: two sets of complete horse equipment, five complete carbines, two complete sabres, and one saddle. The items were turned over to Redway while the two men were at a camp in Pleasantville, Md.
Date: May 15, 1864
Creator: Draine, Henry J.
Object Type: Text
System: The UNT Digital Library
[News Script: Investigations in crashes, protests, and riots] (open access)

[News Script: Investigations in crashes, protests, and riots]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: May 4, 1970, 6:30 a.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Representative perjury trial] (open access)

[News Script: Representative perjury trial]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: May 12, 1970, 8:25 a.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Teargas to clear protesters] (open access)

[News Script: Teargas to clear protesters]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: 1970-05-14T24:00:00
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Bribery trial to be moved] (open access)

[News Script: Bribery trial to be moved]

Photocopy of a script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: May 7, 1970, 8:25 a.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Six p.m. sports] (open access)

[News Script: Six p.m. sports]

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: May 9, 1970, 6:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Script: Congressman trial news] (open access)

[News Script: Congressman trial news]

Photocopy of a script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: May 12, 1970, 6:30 a.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[News Clip: Epi Lasik Vision] captions transcript

[News Clip: Epi Lasik Vision]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: May 26, 2005, 12:00 p.m.
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Object Type: Video
System: The UNT Digital Library
The Synthetic Liquid Fuel Potential of Maryland (open access)

The Synthetic Liquid Fuel Potential of Maryland

Report documenting the suitability of Maryland for plant locations to produce synthetic liquid fuels, based on raw materials, water sources, and local interest.
Date: May 7, 1951
Creator: Ford, Bacon, and Davis
Object Type: Report
System: The UNT Digital Library