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How is an integrated circuit manufactured?
In an integrated circuit, electronic components such as resistors, capacitors, diodes, and transistors are formed directly onto the surface of a silicon crystal. The process of manufacturing an integrated circuit will make more sense if one first understands some of the basics of how these components are formed. Even before the first IC was developed, it was known that common electronic components could be made from silicon. The question was how to make them, and the connecting circuits, from the same piece of silicon? The solution was to alter, the chemical composition of tiny areas on the silicon crystal surface by adding other chemicals, called dopants. Some dopants bond with the silicon to produce regions where the dopant atoms have one electron they can give up. These are called N regions. Other dopants bond with the silicon to produce regions where the dopant atoms have room to take one electron. These are called P regions. When a P region touches an N region, the boundary between them is referred to . This boundary is only 0.000004 inches (0.0001 cm) wide, but is crucial to the operation of integrated circuit components.
5 kinds of technology and their uses?
1. Steam powered technology - used to power boats 2. Electronic technology - vacuum tubes, transistors, integrated circuits 3. Information technology - telegraphy, computers, information networks, internet 4. Nuclear technology - war technology 5. Materials technology - plastics, strong lightweight materials
Apliction pn junction diode?
Application of pn junction diode: 1.)It Can be utilized as rectifier as a part of DC Power Supplies. 2.)In Demodulation or Detector Circuits. 3.)In clasping systems utilized as DC Restorers 4.)In section circuits utilized for waveform era. 5.)As switches in computerized rationale circuits.
How many single phase can you run on a 100amp 3 phase?
You can divide a three phase service into (3) single phase circuits providing you have a 4th neutral wire.
How many electronic circuits are used in a satellite?
3. One for the x-axis, one for the y-axis, and one for the z-axis.
Characteristics of data warehouse?
Hi, 1. Subject Oriented 2. Integrated 3. Nonvolatile 4. Time Variant
Characteristics of sound business plan?
1.objective 2.clear 3.logical and simple 4.flexible 5.complete and integrated
How are the 3 kinds of regions defined?
Regions can be defined based on physical characteristics (such as landforms or climate), cultural factors (like language or religion), or political boundaries (such as countries or states). These distinctions help categorize areas based on similarities in characteristics or functions.
What is an explaination of Characteristics of database?
Database is collection of the data that is related to each other . Following are the characteristics of database : 1) Secured data 2) Integrated data 3) Sharing of data 4) ease in accessing data
What are the 3 kinds of electronic circuits?
The three types of electronic circuits are called closed circuits, open circuits and series circuits. You will often hear these terms when an electrician explains what he is doing.
How do geographer's categorize earths different climates?
They categorize the climates by 3 different climate zones. The Tropical, Temperate, and the Polar.
How many types of integrated circuits are there?
A lot, the quantity is always changing. Some integrated circuits (ICs) are "general purpose" types, such as the lm317, which are used in lots of different kinds of equipment. Some ICs are very specific, made for only one purpose, such as the chips made for a particular make and type of computer.
What is the code ruling in the US on 3 phase branch circuits and the neutral?
A three phase system will have 3 phase branch circuits and no neutral.
Are bipolar transistors a thing of the past?
Bipolar is still much faster and still can drive more devices than cmos. Military continues to use it along with companies like IBM. I think the PS3 uses those processors; the powerpc processors from IBM. The first 3 Pentium chips were BiCMOS in fact. It will always be neededBipolar transistors a thing of the past? Absolutely not! They're everywhere! It's just that a large majority of them are integrated into 1-piece circuits, the so-called integrated circuits. Many, many transistor junctions can be printed on a substrate (along with many other components), and we can end up with some very exotic circuits on a single chip. Just because you can't see 'em doesn't mean they ain't there. Your automobile almost certainly has a number of integrated circuits in it, and most if not all of them have bipolar junction semiconductor devices printed into the circuit. Count on it.
What are some examples of mini computers?
A minicomputer was a class of computers sold in the mid-60's. They include Digital Equipment Corporation's 12-bit PDP-8, IBM's 1130, 1800, and system 3, Packard Bell PB 250 and many others. See the links for more. We now use the term "midrange computer" for the modern equivalent of a minicomputer. Examples include the higher-end SPARC, POWER and Itanium-based systems from Oracle, IBM and Hewlett-Packard.
What are 3 advantages of transisters?
I will assume you mean "transistors". Compared to their predecessors (vacuum tubes), transistors:* Are faster * Use less current * Use less space Note that all of these advantages get even more pronounced in the case of integrated circuits (which also contain transistors).
What protects circuits from current overloads?
Electrical circuits are protected by: 1) Fuses 2) Circuit Breakers and/or 3) Fusable links
