MINIATURE ELECTRONICS are card assemblies and modules composed exclusively of discrete
SYSTEM PACKAGING refers to the design of a system, taking into account environmental and
electronic characteristics, access, and maintainability.
PACKAGING LEVELS 0 to IV are used to identify assemblies within a system. Packaging levels
are as follows:
LEVEL 0-Nonrepairable parts (resistors, diodes, and so forth.)
LEVEL I -Submodules attached to circuit cards.
LEVEL II -Circuit cards and MOTHER BOARDS.
LEVEL III - Drawers.