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2. Multi-chip module - Wikipedia

   en.wikipedia.org/wiki/Multi-chip_module

   A ceramic multi-chip module containing four POWER5 processor dies (center) and four 36 MB L3 cache dies (periphery). A multi-chip module (MCM) is generically an electronic assembly (such as a package with a number of conductor terminals or "pins") where multiple integrated circuits (ICs or "chips"), semiconductor dies and/or other discrete components are integrated, usually onto a unifying ...

3. Integrated circuit packaging - Wikipedia

   en.wikipedia.org/wiki/Integrated_circuit_packaging

   The other type of packaging used in the 1970s, called the ICP (Integrated Circuit Package), was a ceramic package (sometimes round as the transistor package), with the leads on one side, co-axially with the package axis. Commercial circuit packaging quickly moved to the dual in-line package (DIP), first in ceramic and later in plastic. [5]

4. Nut (hardware) - Wikipedia

   en.wikipedia.org/wiki/Nut_(hardware)

   In applications where vibration or rotation may work a nut loose, various locking mechanisms may be employed: lock washers, jam nuts, eccentric double nuts, [1] specialist adhesive thread-locking fluid such as Loctite, safety pins or lockwire in conjunction with castellated nuts, nylon inserts , or slightly oval-shaped threads.

5. Computer case screws - Wikipedia

   en.wikipedia.org/wiki/Computer_case_screws

   The bolt end is typically hex-shaped, but may exceptionally be round to make removal more difficult. The hex diameter is 3/16", or 4.7mm. A 5mm hex socket might still fit, however where tightening or removal is required, care needs to be taken to select a nut driver with a sufficiently small outer diameter, as clearance between the jackpost and ...

6. Block-stacking problem - Wikipedia

   en.wikipedia.org/wiki/Block-stacking_problem

   The first nine blocks in the solution to the single-wide block-stacking problem with the overhangs indicated. In statics, the block-stacking problem (sometimes known as The Leaning Tower of Lire (Johnson 1955), also the book-stacking problem, or a number of other similar terms) is a puzzle concerning the stacking of blocks at the edge of a table.

7. Square packing - Wikipedia

   en.wikipedia.org/wiki/Square_packing

   Square packing in a square is the problem of determining the maximum number of unit squares (squares of side length one) that can be packed inside a larger square of side length . If a {\displaystyle a} is an integer , the answer is a 2 , {\displaystyle a^{2},} but the precise – or even asymptotic – amount of unfilled space for an arbitrary ...

8. Packing problems - Wikipedia

   en.wikipedia.org/wiki/Packing_problems

   An a × b rectangle can be packed with 1 × n strips if and only if n divides a or n divides b. [15] [16] de Bruijn's theorem: A box can be packed with a harmonic brick a × a b × a b c if the box has dimensions a p × a b q × a b c r for some natural numbers p, q, r (i.e., the box is a multiple of the brick.) [15]

9. Dado set - Wikipedia

   en.wikipedia.org/wiki/Dado_set

   A dado set or dado blade is a type of circular saw blade, typically used with a table saw or radial arm saw, which is used to cut dadoes or grooves in woodworking. [1] There are two common kinds of dado sets, stacked dado set and wobble blade. Stacked dado set consists of two circular saw blades fixed on either side of a set of removable chippers.