A coordinatograph is an instrument that mechanically plots X and Y coordinates onto a surface, such as in
compiling maps or in plotting control points such as in electronic circuit design.
One historic application of a coordinatograph was a machine that precisely placed and cut
rubylith
Rubylith is a brand of Photomask, masking film, invented and trademarked by the Ulano Corporation. Today the brand has become Genericized trademark, genericized to the point that it has become synonymous with all coloured masking films.
Rubylith ...
to create
photomask
A photomask (also simply called a mask) is an opaque plate with transparent areas that allow light to shine through in a defined pattern. Photomasks are commonly used in photolithography for the production of integrated circuits (ICs or "chips") ...
s for early
integrated circuit
An integrated circuit (IC), also known as a microchip or simply chip, is a set of electronic circuits, consisting of various electronic components (such as transistors, resistors, and capacitors) and their interconnections. These components a ...
s, including some of the
earliest generations of the modern
microprocessors
A microprocessor is a computer processor for which the data processing logic and control is included on a single integrated circuit (IC), or a small number of ICs. The microprocessor contains the arithmetic, logic, and control circuitry r ...
used in personal computers. The coordinatograph produced layout would then be photographically reduced 100:1 to create the production photomask.
See also
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Cartography
Cartography (; from , 'papyrus, sheet of paper, map'; and , 'write') is the study and practice of making and using maps. Combining science, aesthetics and technique, cartography builds on the premise that reality (or an imagined reality) can ...
*
Photolithography
Photolithography (also known as optical lithography) is a process used in the manufacturing of integrated circuits. It involves using light to transfer a pattern onto a substrate, typically a silicon wafer.
The process begins with a photosensiti ...
*
Etching (microfabrication)
Etching is used in microfabrication to chemically remove layers from the surface of a wafer (electronics), wafer during manufacturing. Etching is a critically important process module in fabrication, and every wafer undergoes many etching steps b ...
*
Design for manufacturability
Design for manufacturability (also sometimes known as design for manufacturing or DFM) is the general engineering practice of designing products in such a way that they are easy to manufacture. The concept exists in almost all engineering discipl ...
*
Semiconductor device fabrication
Semiconductor device fabrication is the process used to manufacture semiconductor devices, typically integrated circuits (ICs) such as microprocessors, microcontrollers, and memories (such as Random-access memory, RAM and flash memory). It is a ...
References
External links
* https://www.cnet.com/news/intels-accidental-revolution states rubylith was used on the
Intel 4004
The Intel 4004 was part of the 4 chip MCS-4 micro computer set, released by the Intel, Intel Corporation in November 1971; the 4004 being part of the first commercially marketed microprocessor chipset, and the first in a long line of List of I ...
.
* http://encyclopedia2.thefreedictionary.com/Coordinatograph defines a coordinatograph in general terms.
IEEEdescribes a modern version of the coordinatograph.
Lithography (microfabrication)
Microtechnology
Semiconductor device fabrication
Semiconductor fabrication equipment
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