DFSM With Rosette
DFSM may refer to: * Defence Force Service Medal * Deterministic finite state machine * Dry-film photoimageable solder mask, a type of solder mask on printed circuit boards * Irish Defence Forces School of Music The Irish Defence Forces School of Music (''Scoil Cheoil Óglaigh na hÉireann'') is established as a Corps of the Irish Defence Forces and has responsibility for the maintenance and training of the three military bands of the Defence Forces. It co ...

Defence Force Service Medal
__NOTOC__ The Defence Force Service Medal (DFSM) is an Australian Military award given for long service by permanent members of the Australian Defence Force. It is part of the suite of defence force service awards introduced in 1982, which also included the Reserve Force Decoration (RFD, for officers of the Australian Defence Force Reserves) and the Reserve Force Medal (RFM, for non-commissioned members of the Reserve forces). All three medals were replaced with effect 20 April 1999 with a single medal, the Defence Long Service Medal, which is now awarded to all permanent and reserve members irrespective of rank. Additional service clasps are issued for each further 5 years after the initial 15 year qualifying service period. On the ribbon, a rosette indicates the award of each clasp, although the fifth and subsequent clasps are indicated by a small Federation Star. With the introduction of the Defence Long Service Medal, the DFSM is now a closed award with only clasps to exis ...
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Deterministic Finite State Machine
In the theory of computation, a branch of theoretical computer science, a deterministic finite automaton (DFA)—also known as deterministic finite acceptor (DFA), deterministic finite-state machine (DFSM), or deterministic finite-state automaton (DFSA)—is a finite-state machine that accepts or rejects a given string of symbols, by running through a state sequence uniquely determined by the string. Hopcroft 2001: ''Deterministic'' refers to the uniqueness of the computation run. In search of the simplest models to capture finite-state machines, Warren McCulloch and Walter Pitts were among the first researchers to introduce a concept similar to finite automata in 1943. The figure illustrates a deterministic finite automaton using a state diagram. In this example automaton, there are three states: S0, S1, and S2 (denoted graphically by circles). The automaton takes a finite sequence of 0s and 1s as input. For each state, there is a transition arrow leading out to a next state ...
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Dry-film Photoimageable Solder Mask
Solder mask, solder stop mask or solder resist is a thin lacquer-like layer of polymer that is usually applied to the copper traces of a printed circuit board (PCB) for protection against oxidation and to prevent solder bridges from forming between closely spaced solder pads. A solder bridge is an unintended electrical connection between two conductors by means of a small blob of solder. PCBs use solder masks to prevent this from happening. Solder mask is not always used for hand soldered assemblies, but is essential for mass-produced boards that are soldered automatically using reflow or wave soldering techniques. Once applied, openings must be made in the solder mask wherever components are soldered, which is accomplished using photolithography. Solder mask is traditionally green, but is also available in many other colors. Solder mask comes in different media depending upon the demands of the application. The lowest-cost solder mask is epoxy liquid that is silkscreened th ...
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