Semiconductor Glossary - J

• J

Joule

• JEDEC

The JEDEC Solid State Technology Association (Once known as the Joint Electron Device Engineering Council) Is the semiconductor engineering standardisation body of the Electronic Industries Alliance (EIA), a trade association that represents all areas of the electronics industry. JEDEC was originally created in 1960 as a joint activity between EIA an NEMA, to cover the standardisation of discrete semiconductor devices and late expanded in 1970 to include integrated circuits. JEDEC does its work through its 48 committees/ subcommittees that are overseen by the JEDEC Board of Directors. Presently there are about 300 member companies in JEDEC including both manufacturers and users of semiconductor components and others allied to the field. JEDEC develops standards through its 48 Committees/Subcommittees overseen by the JEDEC Solid State Technology Association Board of Directors. About 300 member companies representing every segment of the industry actively participate on these committees to develop standards to meet the industry and user needs. Committees where ST maintains a recent active participation: JC-11 Committee: Mechanical (Package Outlines) Standardisation JC-14.1 Subcommittee: Reliability Test Methods for Packaged Devices.

• JEIDA

Japan Electronics Industry Development Association

• JESSI

Joint European Submicron Silicon Initiative A cooperative program at European level.

• JFET

Junction Field Effect Transistor A solid-state device in which current is controlled between source and drain regions by voltage applied to a conducting or junction gate terminal.

• JI

Junction Isolation

• JIS

Japanese Industrial Standard

• JIT

Just-In-Time Measures the percentage of parts delivered on time (usually to CD: Confirmed Date).

• JLIC

J-leaded chip carrier

• JPEG

Joint Photographic Experts Group

• JPL

Jet Propulsion Laboratory

• JTAG

Joint Test Action Group

• Junction (P-N)

The line of demarcation where the number of P- and N-type carriers are exactly equal with a surplus of P-type on one side and N- type on the other.

• JUG

Joint Users Group

• JUSE

Japanese Union of Scientists and Engineers