Dictionary Q

See "quality factor".

See "data output".

See "quality function deployment".

See "qualified manufacturers list".

See "quality management plan".

See "transfer acknowledge output".

The process of demonstrating that an entity is capable of meeting or exceeding the specified requirements.

EIA-599-A#, 6/98
JEP143, 5/04
JEP148, 4/04

A surface-mount package whose terminals are on four sides and consist of metal pad surfaces (on leadless versions) or leads emerging from the package.

NOTE 1 The package leads may be formed to facilitate surface mounting.

NOTE 2 The small-outline package is similar except for having terminals on only one or two opposite sides of the package.

JESD21-C#, 1/97
JESD30D, 7/06

A character string or binary element string that, in a given system, has four times the length of a word.

JESD100-B, 12/99

(1) Products sharing the same technology and process.

(2) Products sharing the same process technology.

JESD74, 4/00

JESD74A, 2/07

The quality and reliability properties of the product that demonstrate compliance with the application requirements.

JEP148, 4/04

A list of manufacturers whose production lines have been certified and qualified by the Defense Supply Center Columbus (DSCC) for the production of devices used in military or space applications.

JEP133B, 3/05

(1) The organizational element that grants certification status; this element may be a part of a) the acquiring activity; b) a quality organization within the manufacturer's company that is independent of the group(s) responsible for the device production, screening, and marketing; or c) an independent third-party organization.

(2) The organizational element of the government that grants certification and QML status.

JEP133B, 3/05

Conformance of a product to requirements, or perceived fitness for its intended use(s).

JESD46C, 10/06

A process or device attribute that may affect the final product quality or reliability.

JEP121A, 10/06

Two pi (2π) times the ratio of the maximum energy stored per cycle to the energy dissipated per cycle at a given frequency.

NOTE The Q of an inductor at a frequency is the magnitude of the ratio of its reactance to its effective series resistance at that frequency. (IEEE Std 100.)

JESD10, 9/81

(1) A technique for analysis of the interrelationships between different requirements.

(2) A structured method in which customer requirements are translated into appropriate technical requirements for each stage of product development and production.

EIA-557-A, 7/95

JEP132#, 7/98

A plan described in military specifications (MIL‑PRF‑19500, MIL‑PRF‑38534, and MIL‑PRF‑38535) that describes the methods a supplier uses to assure conformance to the applicable requirements, including design, manufacturing, and verification.

JEP133B, 3/05

An assessment of the metrics established to evaluate the quality.

JEP146#, 6/03

A letter symbol that is used to represent a physical quantity or a relationship between quantities.

NOTE The letter symbol used to designate a quantity or parameter shall be a single letter. This single letter, referred to as the primary symbol, may be modified by subscripts or superscripts.

JESD77-B, 2/00
JESD99B, 5/07