1,025 technical terms and definitions
wafer fab equipment, wafer fab equipment spending, semi capex, fab capital intensity, capex per wafer start
WFE — Wafer Fab Equipment spending — is the single number the entire chip industry uses to measure how much capital is being poured into new manufacturing capacity in a given…
whale optimization algorithm, whale optimization, optimization algorithm
Whale Optimization Algorithm Introduction & Motivation Whale Optimization Algorithm addresses a central problem in ml process control and solution-quality-vs-time prediction: how…
chiplet architecture, chiplet architectures, chiplets, chiplet, 2.5d & 3d packaging, 2.5d and 3d packaging, 3d integration semiconductor, through silicon via tsv, silicon interposer
Chiplets and 2.5D/3D integration are the packaging-level answer to a problem lithography itself can no longer solve alone: building one giant monolithic chip has stopped being…
capabilities, abilities
ChipFoundry Services AI Assistant — Full Capabilities Overview I am an advanced LLM-powered technical assistant with deep expertise across machine learning, AI infrastructure…
what do you know, what can you tell me, what do you know about, what are you capable of
I'm an expert AI assistant specializing in semiconductor manufacturing, chip design, AI/ML technologies, and advanced computing! I can provide detailed technical guidance, answer…
5G NR, or New Radio, is the actual wireless technology standard that defines how 5G devices and networks communicate over the air — the technical specification underlying the "5G"…
backup, data backup, 3-2-1 rule, off-site backup, cloud backup, restore, sync vs backup, ransomware recovery, versioning, why backup, how backups work
A backup is a separate, extra copy of your data kept somewhere safe, so that if the original is lost, damaged, or destroyed, you can restore it and carry on — it exists because…
baseband processor explained, baseband vs rf front end, baseband chip meaning, what does baseband processor do
A baseband processor is the digital signal-processing core inside a modem chip that actually handles encoding, decoding, and managing cellular communication — running the complex…
software bug, bug in software, what is debugging, debugging, syntax error, runtime error, logic error, software error, crash, debugger, how bugs happen, fixing bugs
A bug is a mistake in a program that makes it behave wrongly — produce a wrong answer, do the wrong thing, or stop working — and it exists because, as the how-programs-run topic…
CAPTCHA, captcha, I am not a robot, bot, human verification, anti-automation, spam prevention, image puzzle, reCAPTCHA, how CAPTCHAs work
A CAPTCHA is a small test a website gives you to tell whether you are a human or an automated program — the "select all the traffic lights" puzzles and "I'm not a robot"…
checksum, hash, data integrity, corruption, error detection, verify download, packet checksum, bit flip, checksum vs hash, how checksums work
A checksum is a short value calculated from a block of data that acts as a fingerprint for it, used to detect whether the data has been accidentally changed or corrupted — you run…
semiconductor design house explained, asic design house meaning, chip design services company, what does a design house do
A chip design house is a company that specializes in designing chips — sometimes its own products, sometimes custom designs for other companies — without manufacturing anything…
chip interconnect explained, ai accelerator interconnect meaning, high speed chip interconnect, what does interconnect mean in chips
A chip interconnect is the high-speed link that connects multiple chips together — for example, linking several AI accelerator chips into one combined system — allowing them…
chiplet explained, chiplet vs monolithic die, chiplet design meaning, what does chiplet mean
A chiplet is a small, specialized piece of silicon designed to be combined with other chiplets inside a single chip package, rather than building one enormous monolithic die that…
chipset explained, motherboard chipset, northbridge southbridge, what does a chipset do
A chipset is the small set of supporting chips on a motherboard that manages traffic between the processor and everything else in the computer — storage, memory, USB ports…
computer virus, what is malware, malware, virus, worm, trojan, ransomware, spyware, botnet, antivirus, how viruses spread, computer infection, malicious software
A computer virus is a type of malware — malicious software written on purpose to do harm — and specifically the kind that copies itself into other programs or files so it can…
cookie, cookies, website cookie, browser cookie, session cookie, persistent cookie, first-party cookie, third-party cookie, tracking, consent banner, how cookies work
A cookie is a small piece of text that a website asks your browser to store, and hand back on every later visit, so the site can recognize you and remember things between requests…
CPU core, core, cores, multi-core, clock speed, GHz, thread, hyper-threading, core count, parallel, context switch, how many cores, how CPU cores work
A CPU core is a single complete processing unit inside the CPU — the part that actually carries out the fetch-decode-execute cycle the how-a-computer-works topic described — and…
data center, datacenter, server farm, racks, power, cooling, redundancy, cloud infrastructure, where the cloud is, how data centers work
A data center is a building, or a large room, purpose-built to house many computers — mainly the servers from the server topic — and keep them running reliably around the clock…
database, database explained, databases for beginners, how databases work, relational database, tables rows columns, primary key, foreign key, SQL, index, transaction, ACID, CRUD, NoSQL, data storage
A database is an organized collection of data stored so that programs can save it reliably, find it quickly, and change it safely — and it exists because a program's variables…
A dataflow architecture is a chip design approach where computation is organized around how data moves between processing elements, executing operations as soon as their required…
A design win is the moment a chip company's product gets formally selected for use inside a customer's device — the point where a chipmaker moves from pitching a chip to actually…
device driver, driver, hardware driver, printer driver, graphics driver, operating system, kernel, install driver, update driver, how drivers work
A device driver is a small piece of software that lets the operating system talk to a specific piece of hardware — it is the translator the operating-system topic named, sitting…
deionized water semiconductor fab, di water purification stages, ultrapure water resistivity, di water quality monitoring, wafer rinse water contamination
A DI tank stores and delivers deionized water — water stripped of nearly all its dissolved ions and minerals — and it exists because ordinary tap water is catastrophically…
A diffusion model is a type of generative AI model that learns to create new content, such as images, by starting from pure random noise and gradually removing that noise in many…
domain name, domain, TLD, top-level domain, subdomain, registered domain, registrar, DNS, IP address, how domains work, domain registration
A domain name is the human-friendly address of a website, like `example.com` — it exists because, as the how-the-internet-works topic explained, computers actually find each other…
oil free vacuum pump semiconductor, dry pump vs oil pump, backing pump explained, rough vacuum pump fab, contamination free vacuum system
A dry pump is the mechanical backing pump that handles the first, coarser stage of vacuum pump-down described in the turbomolecular pump entry, and its defining feature — running…
file format, file type, file extension, magic number, text file, binary file, open format, proprietary format, compression, lossless, lossy, JPEG, PNG, how file formats work
A file format is the agreed way the data inside a file is arranged, so that a program knows how to read it — because, as the data-representation topic showed, every file is…
file shortcut, file shortcuts, desktop shortcut, shortcut vs copy, broken shortcut, shortcut target, shortcut vs backup
A file shortcut is a convenient entry that refers to another item, called its target, so you can open that item without navigating to its original location each time. For example…
firewall, network firewall, host firewall, software firewall, allow block rules, inbound outbound, home network security, how a firewall works
A firewall is a security guard for network traffic: it sits between a device or network and the outside, inspects the data trying to cross, and allows or blocks it according to…
what is FEM lithography
A focus-exposure matrix, or FEM, is a lithography test wafer deliberately patterned across a systematic grid of different focus and exposure dose settings, used to map out exactly…
foreline piping vacuum pump, foreline heating condensation, turbomolecular pump to dry pump connection, foreline leak detection, exhaust piping fab
A foreline is the section of vacuum piping that runs between a process chamber's turbomolecular pump and the dry pump backing it, and it exists because the two pumps described…
foundry node explained, 5nm vs 3nm meaning, process node marketing, what does nm mean in chips
A foundry node — often written as "5nm" or "3nm" — is the name a foundry gives to one generation of its chip manufacturing process, and despite the number sounding like a precise…
gpu explained, graphics processing unit, how does a gpu work, gpu vs cpu cores
A GPU, or graphics processing unit, is a chip built around a completely different design philosophy than a CPU: instead of a few powerful cores optimized to handle one complex…
hdl chip design explained, verilog vhdl meaning, hardware description language meaning, what does hdl mean in chip design
A hardware description language, or HDL, is a specialized programming language used to describe the exact structure and behavior of digital circuits, letting chip designers…
kernel, operating system kernel, kernel mode, user mode, system call, Linux kernel, privileged core, scheduler memory drivers, how the kernel works
A kernel is the core of an operating system — the central program that has direct control over the hardware and that every other program must go through to use the machine — it is…
lithography scanner explained, chip lithography machine meaning, wafer stepper scanner, what does a lithography scanner do
A lithography scanner is the physical machine that actually performs the lithography process — precisely positioning the wafer, projecting light through the photomask…
megabyte, MB, data size, bit, byte, kilobyte, gigabyte, terabyte, bits vs bytes, file size, storage units, how big is a megabyte
A megabyte (MB) is a unit for measuring an amount of digital data — roughly a million bytes — and it sits in a ladder of units (bytes, kilobytes, megabytes, gigabytes, terabytes)…
memory controller explained, memory controller meaning, integrated memory controller, what does a memory controller do
A memory controller is the component that manages the flow of data between a processor and a device's memory, handling the detailed timing and signaling requirements memory chips…
modem chip explained, cellular modem meaning, 5g modem chip, what does a modem chip do
A modem chip is the specialized processor inside a phone, laptop, or other connected device that handles the job of translating data into radio signals for transmission…
motherboard explained, motherboard components, cpu socket compatibility, motherboard form factor
A motherboard is the large circuit board that physically connects every major component in a computer — the CPU, RAM, storage, graphics card, and power supply — and provides…
mpw semiconductor explained, multi project wafer meaning, shared wafer run chip prototyping, what does mpw mean
A multi-project wafer, or MPW, is a single wafer run shared by several different chip designs from different customers, splitting the fixed cost of a fabrication run across…
A network on chip, or NoC, is a communication system built directly into a chip that routes data between its many internal components — cores, memory, and other blocks — using…
port, network port, port number, port 80, port 443, port 25, listening port, open port, IP and port, firewall ports, how ports work
A port is a numbered channel on a computer that lets it run many network services at once and keep their traffic separate — if the IP address from the IP-address topic is like…
notification, notifications, computer notifications, app notifications, push notification, notification vs message, notification settings
A notification is a message from an application, website, or operating system that draws your attention to an event or status change. “Your download is complete,” “Meeting starts…
password hash, hashing, hash function, one-way, salt, salting, bcrypt, scrypt, Argon2, password storage, hashing vs encryption, how passwords are stored
A password hash is the scrambled form of a password that a well-built website actually stores, instead of the password itself — it is produced by a hashing function, a one-way…
process design kit, pdk explained, process design kit explained, what is a process design kit, pdk semiconductor, foundry pdk
A PDK, or process design kit, is the file package a foundry hands its customers so their chip designs actually work on that foundry's silicon: transistor models, standard-cell…
pellicle photomask, euv pellicle, what does a pellicle do, photomask protection
A pellicle is a thin, ultra-transparent membrane stretched over a taut frame and mounted just above the surface of a photomask, acting as a protective shield that keeps dust…
photomask explained, lithography mask meaning, how does a photomask work, euv photomask
A photomask is a precisely patterned plate — usually a sheet of quartz coated with an opaque chrome pattern — that lithography equipment uses like a stencil to project a chip's…
pixel, picture element, RGB, resolution, raster image, bitmap, vector graphics, SVG, PPI, pixels per inch, image file size, pixelated, how images work
A pixel (short for "picture element") is a single tiny dot of color, and it is the basic building block of every digital image and screen — a photo or display is simply a grid…