File:IBM SLT wafers.agr.JPG
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IBM SLT wafers.agr.JPG
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Summary
Camera location | 37° 24′ 50.4″ N, 122° 04′ 39.6″ W | View this and other nearby images on: OpenStreetMap | 37.414000; -122.077667 |
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DescriptionIBM SLT wafers.agr.JPG |
English: Steps in manufacturing Solid Logic Technology hybrid wafers used in the w:IBM System/360 and other IBM computers of that era, starting in 1964. The process starts with a blank ceramic wafer 1/2 inch square (1). Circuits are laid down first (2), followed by resistive material (3). Pins are added (4), the pins and circuits are soldered (5) and the resistors trimmed to the desired value (6). Then individual transistors and diodes are added (7) and the package encapsulated (8). Display at the Computer History Museum. "Gift of Mike Turin" [1] |
Date | |
Source | Own work |
Author | ArnoldReinhold |
Licensing
I, the copyright holder of this work, hereby publish it under the following licence:
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Items portrayed in this file
depicts
some value
37°24'50.40000"N, 122°4'39.60001"W
28 January 2012
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 00:45, 11 February 2012 | 3,221 × 397 (453 KB) | wikimediacommons>ArnoldReinhold |
File usage
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Metadata
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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 | 100 |
Date and time of data generation | 16:03, 28 January 2012 |
Lens focal length | 4.28 mm |
Latitude | 37° 24′ 50.4″ N |
Longitude | 122° 4′ 39.6″ W |
Altitude | 9.513 metres above sea level |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | QuickTime 7.6.6 |
File change date and time | 14:00, 10 February 2012 |
Y and C positioning | Centred |
Exposure Programme | Normal programme |
Exif version | 2.2 |
Date and time of digitising | 16:03, 28 January 2012 |
Meaning of each component |
|
APEX shutter speed | 6.9069478908189 |
APEX aperture | 2.5260688216893 |
APEX brightness | 5.2994278448824 |
Metering mode | Pattern |
Flash | Flash did not fire, auto mode |
Supported Flashpix version | 1 |
Colour space | sRGB |
Sensing method | One-chip colour area sensor |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Focal length in 35 mm film | 35 mm |
Scene capture type | Standard |
Sharpness | Normal |
GPS time (atomic clock) | 00:03:3214 |
Reference for direction of image | True direction |
Direction of image | 43.153623188406 |
JPEG file comment | AppleMark |
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