2024 Cordwood modules

Cordwood modules

Author: acpn

August undefined, 2024

WebAug 19, 2005 · We built it up vertically as a 'cordwood module' so that the pins would only occupy the same surface area as the IC we were replacing. They DID sound better, but they were somewhat noisier. It is true that the 5534 was a true improvement of most of preceding IC op amps in the mid '70's. Still, an A-B test against discrete showed differences. WebJan 7, 2014 · In the early 1960s, the military customers especially were generating high demand for “cordwood” modules. In cordwood construction, axial-leaded components were mounted between two …

Organic Printed Electronics for the 21st Century! – EEJournal

http://gordonbell.azurewebsites.net/craytalk/sld034.htm Web4 James Thornton describes a 6600 cordwood module as having two small printed circuit boards with components mounted on and between the boards; each module has up to … fanny ciapa

CDC 6600 Cordwood Module - CERN Document Server

WebEach of the cordwood structures consist of two circular epoxy PCBs with electronic components fitted inbetween. They are similar in design to the so-called FLYBALL modules that were used by the NSA during the 1950s … WebAug 4, 2013 · Formulas, which can be used as a design tool, are derived to calculate the thermal resistance of solder-boss/potting compound combinations, for different depths of a solder boss, in electronic cordwood modules. Since the solder boss is the heat source, its shape and position will affect the thermal resistance of the surrounding potting compound. Webthermial expansion have been observed in cordwood modules: i. Fracture of solder joints. 2. Fracture of glass components. 3. Leads pulled out of components. In an effort to … corners framing winter park

Industrial Alchemy - Transistors and Diodes

WebBefore integrated circuits, "cordwood" modules let engineers pack components into small spaces, increasing speed by keeping wires shorter. Seymour Cray's early computers all … The Fastest Brains for the Biggest ProblemsSuper is relative. Every era … Revolution: The First 2000 Years of Computer About the Revolution Online … General Inquiries Computer History Museum 1401 N Shoreline Blvd. … First Steps on the Path to Computers Banks calculating interest. Kids dividing up … WebThe module is built with "cordwood" construction, a way of building high-density circuits that was popular in the 1960s. Instead of mounting components flat on a circuit board, cordwood puts components between two boards. (They are stacked together like logs, giving cordwood its name.) The photo below shows the components; it isn't as clear as ... corners frame shop maWebTo demonstrate the technique a digital telemetry unit, previously packaged in the form of welded cordwood modules, was designed using dot components. The unit consists of some 1200 parts disposed on six card-shaped modules measuring 3" x 6.7" x 0.03". Modules are made of molded epoxy and are color coded for assembly and trouble … fanny chollet pilote

"WebMay 28, 2024 · The meaning of CORDWOOD is wood piled or sold in cords. Recent Examples on the Web Straw bale houses fall into the same category as cordwood. — … " - Cordwood modules

Cordwood modules

WebThe cordwood module has been a part of the electronic Packaging concept for approximately ten years [1]. During that time period all variety of parts have been packaged in this configuration with varying degrees of success and reliability. With the coming of the space age and vacuum environments becoming commonplace, the removal of 'heat has … WebThe closeup photo below shows the module's cordwood construction . In this high-density construction technique, components were inserted into holes in the module. Resistors …

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WebMiddle - cordwood module similar to those used in the 6000 series Right - eight-board module similar to those used in the 7600 (this particular module may be from a Cyber 175; the covers have been removed for this photo; the transistors are the small gray dots) ... See a picture of a Cyber 170/875 module here, and the internal boards here ... WebThe cordwood assembly, shown in view (A) of figure 1-43, was designed and fabricated in various forms and sizes, depending on user requirements. This design was used to …

WebMar 24, 2024 · Cordwood modules were the ultimate in packaging density and shock resistance when using normal components and found use in military, space, and high … WebMay 28, 2006 · Welded cordwood modules were quite popular unsed on the Apollo mission I recall. Not practical for SM and volume though. There again ...? P. Pooh Bear. Jan 1, 1970 0. May 28, 2006 #19 Spehro said: while the larger manufacturers, virtually all component makers, and successful assembly shops all over the world

WebElectronic packaging methods for surveyor spacecraft modules such as the television system, discussing foam sandwich chassis construction and the use of cordwood modules. NTRS NTRS - NASA Technical Reports Server ... discussing foam sandwich chassis construction and the use of cordwood modules. Document ID. 19630028143 . … WebDownload scientific diagram CDC 6600 Cordwood modules with approximately xxx transistors per module of the yy modules, from publication: Supercomputers: The Amazing Race The “ideal ...

WebFeb 18, 2024 · A cordwood module (Image source: Arnold Reinhold/Wikipedia) Although cordwood construction may seem frightfully “clunky” now, it was the bee’s knees in its day for applications in which space was at a premium (e.g., missile guidance systems) or where minimizing the lengths of traces was important (e.g., high-speed computers). ...

Weben.wikipedia.org corners for raised garden bedsWebAn alternative was small hybrid modules that functioned as building blocks: logic gates, flip flops, op-amps, and other circuits. Instead of a silicon chip, these hybrid modules … fanny cinusWebThe bottom side of each cordwood module can be accessed from the bottom of the machine, after lifting the frame from the metal bottom plate. The image on the right shows a close-up of the cordwood modules, as seen from the left side of the machine. The brown parts are resistors, and the black ones are OA85 Germanium diodes. fanny chouteauWebAn array of pins along the edge of the module connect it to the rest of the computer system. The Burroughs B5000 also contained larger plugin 'cordwood' modules, which contained transistors and passive components wired between two parallel circuit cards. Each module had a pin grid array and a metal handle on opposing faces, for easy removal ... corner shade gardenWebSep 10, 2012 · As a child, tube circuitry with terminal strips and point-to-point wiring, to printed wiring boards with plenty of spacing for the discrete components, and other schemes like "cordwood" modules with welded leads; the introduction of integrated circuits with lead pitch of ~2.5mm (my father thought those impractical because far too small). corners freshWebcordwood module. [ ′kȯrd‚wu̇d ‚mä·jül] (electronics) High-density circuit module in which discrete components are mounted between and perpendicular to two small, parallel … corners framehttp://www.rfcafe.com/references/electrical/NEETS-Modules/NEETS-Module-14-1-41-1-50.htm corners framing