How big circuits are implemented on small IC

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In summary, the implementation of big circuits on small integrated circuits (IC) is made possible through the use of advanced technology such as microfabrication and nanotechnology. These techniques allow for the miniaturization of electronic components, reducing the size of ICs while increasing their capabilities. Additionally, the use of multilayered PCBs and 3D packaging techniques enables the integration of more complex circuits on a single IC. This has led to the production of smaller and more powerful electronic devices, revolutionizing the field of electronics and paving the way for future innovations.
  • #1
sachin sankey
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Hello everyone! We all have used IC`s in making projects or whatever,but i want to know that how LOGIC GATE circuits, and other connections, are made on little IC. It sounds impossible just like writing a name on rice ! Can anyone tell me how its done !
 
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  • #2
The key is a photographic process called Photolithography.
I hope the following links will help you to understand the whole process.

http://nobelprize.org/educational/physics/integrated_circuit/history/"
http://en.wikipedia.org/wiki/Integrated_circuit"
http://en.wikipedia.org/wiki/Photolithography"
 
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  • #3
Rogerio said:
The key is a photographic process called Photolithography.
I hope the following links will help you to understand the whole process.

http://nobelprize.org/educational/physics/integrated_circuit/history/"
http://en.wikipedia.org/wiki/Integrated_circuit"
http://en.wikipedia.org/wiki/Photolithography"


Thanks!
 
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  • #5


Hello! Great question. The process of implementing big circuits on small ICs is a complex and intricate one. It involves the use of advanced microfabrication techniques such as photolithography, etching, and deposition to create multiple layers of transistors, resistors, and other electronic components on a small silicon chip.

First, a design for the circuit is created using specialized software. This design is then transferred onto a silicon wafer using a process called photolithography, which involves projecting a pattern of the circuit design onto the wafer using light and chemicals.

Next, the wafer goes through a series of chemical etching steps to remove unwanted material and leave behind the desired circuit pattern. This process is repeated multiple times to create multiple layers of the circuit.

After the circuit pattern is created, the wafer is coated with a layer of metal, typically aluminum, to create the necessary connections between the different components. This is done through a process called deposition, where the metal is deposited onto the wafer using specialized equipment.

Finally, the wafer is cut into individual ICs and packaged for use. This process allows for the creation of extremely small and complex circuits on a single chip, making it possible to fit large circuits onto small ICs.

I hope this helps answer your question. It truly is a remarkable process that allows for the creation of powerful and compact electronic devices.
 

FAQ: How big circuits are implemented on small IC

1. How can small integrated circuits (ICs) contain complex circuits?

Small integrated circuits (ICs) are able to contain complex circuits due to advancements in semiconductor technology. These advancements have allowed for the miniaturization of electronic components, allowing for more components to be packed into a smaller space. Additionally, the use of multi-layered chips and advanced packaging techniques has also increased the complexity of circuits that can be implemented on small ICs.

2. What is the process of implementing circuits on small ICs?

The process of implementing circuits on small ICs involves several steps, including designing the circuit layout, fabricating the IC using lithography techniques, and packaging the IC with other components. The design process includes creating a schematic diagram of the desired circuit and then using computer-aided design (CAD) software to create a layout that will be etched onto the IC. The fabrication process involves using lithography techniques to transfer the circuit layout onto the IC, followed by the deposition of various materials to create the necessary components. Finally, the IC is packaged with other components, such as pins and connectors, to protect and connect it to external devices.

3. How are small ICs able to handle high levels of current and voltage?

Small ICs are able to handle high levels of current and voltage due to the use of specialized materials and design techniques. The materials used in the fabrication process, such as doped silicon and insulating layers, are carefully chosen to withstand high levels of current and voltage. Additionally, the physical layout of the circuit is designed to minimize the effects of heat and voltage spikes, which can damage the IC.

4. What are some challenges of implementing circuits on small ICs?

There are several challenges associated with implementing circuits on small ICs, including the need for precise manufacturing techniques, limited space for components, and the potential for heat and electromagnetic interference. The fabrication process requires extreme precision to create the tiny components and connections on the IC, which can be difficult to achieve. The limited space on small ICs also poses a challenge, as designers must carefully choose and arrange components to fit within the available space. Finally, the closely packed components on an IC can lead to heat buildup and electromagnetic interference, which must be carefully managed to prevent damage to the circuit.

5. What are some applications of small ICs with complex circuits?

Small ICs with complex circuits have a wide range of applications in various industries, including consumer electronics, medical devices, aerospace, and automotive. They are used in smartphones, laptops, and other portable devices to provide advanced functionality in a compact size. In the medical field, small ICs are used in devices such as pacemakers and insulin pumps. They are also used in aerospace and automotive industries for navigation, communication, and control systems. Overall, small ICs with complex circuits have greatly contributed to the advancement of technology and have enabled the development of innovative products in various industries.

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