File:1st-Transistor.jpg
Original file (3,264 × 2,448 pixels, file size: 438 KB, MIME type: image/jpeg)
Captions
Summary
[edit]Description1st-Transistor.jpg |
English: The first transistor ever made, built by John Bardeen, William Shockley and Walter H. Brattain of Bell Labs in 1947. Original exhibited in Bell Laboratories. |
Date | |
Source | Own work |
Author | Unitronic |
Camera location | 40° 41′ 01.2″ N, 74° 24′ 07.8″ W | View this and other nearby images on: OpenStreetMap | 40.683667; -74.402167 |
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Licensing
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Annotations InfoField | This image is annotated: View the annotations at Commons |
English: The point-contact transistor effect takes place in the germanium surface below the triangle tip. One wire connect to the germanium plate. (Base) Two other wires connect via the triangle to two closely spaced narrow gold foils (<0.1mm at surface at the lower tip) to the germanium surface. (Emitter and Collector)
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 02:34, 6 February 2013 | 3,264 × 2,448 (438 KB) | Unitronic (talk | contribs) | User created page with UploadWizard |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | Apple |
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Camera model | iPhone 4S |
Exposure time | 1/120 sec (0.0083333333333333) |
F-number | f/2.4 |
ISO speed rating | 80 |
Date and time of data generation | 15:07, 5 February 2013 |
Lens focal length | 4.28 mm |
Latitude | 40° 41′ 1.2″ N |
Longitude | 74° 24′ 7.8″ W |
Altitude | 108 meters above sea level |
Width | 3,264 px |
Height | 2,448 px |
Bits per component |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop CS5.1 Windows |
File change date and time | 02:43, 6 February 2013 |
Y and C positioning | Centered |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 15:07, 5 February 2013 |
Meaning of each component |
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APEX shutter speed | 6.9069478908189 |
APEX aperture | 2.5260688216893 |
APEX brightness | 4.9080590238365 |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 4.2340720221607 |
Focal length in 35 mm film | 35 mm |
Scene capture type | Standard |
GPS time (atomic clock) | 20:07:0.32 |
Reference for direction of image | True direction |
Direction of image | 158.57926829268 |
Date metadata was last modified | 03:43, 6 February 2013 |
Unique ID of original document | 89EBC39F66A6EDA0C36CE60BA5162679 |
IIM version | 6,954 |