Electronic assembly including an electronic unit connected...

Details Electronic assembly including an electronic unit connected... Electronic assembly including an electronic unit connected...

1998-10-08

2001-05-29

Tolin, Gerald (Department: 2835)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electrical power distribution systems and devices

C336S192000, C361S767000

Reexamination Certificate

active

06239967

ABSTRACT:

FIELD OF THE INVENTION
The present invention concerns an electronic assembly formed by an electronic unit including two electric contact pads and by a coil both ends of which are electrically connected to the two electric contact pads.
BACKGROUND OF THE INVENTION
An assembly of this type known to those skilled in the art is shown in FIG.
1
. In said
FIG. 1
, the electronic assembly
2
includes a coil
4
and an electronic module
6
arranged on a substrate
8
. Module
6
has two electric contact pads
10
and
11
, which are respectively electrically connected to two electric contact pads
12
and
13
, arranged on substrate
8
, by means of two electric connecting wires
15
and
16
. The electric connection between electronic module
6
and coil
4
is thus achieved by means of first electric contact pads provided on module
6
and connected by two conductive metal wires to electric contact pads arranged on substrate
8
. The two wires
15
and
16
are generally protected by an adhesive material deposited after bonding of said electric connecting wires.
In order to assure the cohesion of electronic assembly
2
, coil
4
, more particularly the body
18
of said coil superposed onto substrate
8
, is bonded to said substrate
8
. Thus, electronic module
6
is attached to coil
4
and fixedly held thereto via substrate
8
.
It is necessary for such an electronic assembly that the electronic module is properly fixed to the coil so that this electronic assembly is not damaged during prehension or manipulation of this electronic assembly.
Electronic assembly
2
described hereinbefore with the aid of
FIG. 1
allows relatively satisfactory cohesion of electronic assembly
2
. However, this electronic assembly requires several steps in its manufacturing method, in particular for arranging module
6
on substrate
8
and for establishing the electric connections between pads
10
and
11
of this module and pads
12
and
13
provided on substrate
8
onto which the two ends
19
and
20
of coil
4
are respectively bonded.
SUMMARY OF THE INVENTION
An object of the present invention is to provide an electronic device, including an electronic module and a coil electrically connected to this module, which is of simple and inexpensive design, while assuring in a reliable manner the cohesion of the electronic module and the coil.
The present invention thus concerns an electronic assembly formed by an electronic unit including two electric contact pads and by a coil both of whose ends are electrically connected to the two respective electric contact pads. This electronic contact pad is characterised in that the body of the coil is partially superposed onto each of the two electric contact pads, the coil and the electronic unit being fixed to each other by a solidified binder material provided on these two electric contact pads so that said coil body adheres to the two pads in a durable manner.
According to a particularly advantageous embodiment of the present invention, the electronic unit is formed by an electronic module and by two tongues, defining or supporting the aforementioned two electric contact pads, which extend outside the electronic module in a same plane.
It will be noted that the two tongues are arranged so that the coil body can be connected in a durable manner to these two tongues and that, together, the two ends of this coil can conveniently be bonded respectively onto the two electric contact pads.
As a result of the aforementioned features, the electronic assembly according to the invention does not include any distinct substrate and does not require any particular electric connection between the ends of the coil and the contact pads associated with the electronic module. Moreover, the electronic assembly according to the invention has excellent cohesion between the electronic module and the coil, which allows easy prehension or manipulation without the risk of damaging this electronic assembly, in particular the electric connection between the ends of the coil and the two electric contact pads associated with the electronic module.


REFERENCES:
patent: 3697817 (1972-10-01), Yongue
patent: 3824518 (1974-07-01), Slenker
patent: 4400674 (1983-08-01), Suda
patent: 4999742 (1991-03-01), Stampfli
patent: 44 31 604 (1996-03-01), None
patent: 0 376 062 (1990-07-01), None
patent: 0 708 414 A2 (1996-04-01), None

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