Electronics module comprising an embedded microcircuit
View Patent ↗This publication discloses an electronics module comprising an insulating-material layer having two opposite surfaces, and at least one microcircuit embedded to the insulating-material layer. The microcircuit has a first contact surface comprising first contact terminals, from which the microcircuit is electrically connected to first conductor structures in the form of a patterned first conductor layer contained on first surface of the insulating-material layer, and a second contact surface opposite to the first contact surface, in which there is at least one second contact terminal, from which the microcircuit is electrically connected to second conductor structures contained in the form of a patterned second conductor layer on second surface of the insulating-material layer. According to the invention there is provided a local adhesive layer between the component and the first contact surface and first conductor layer, the adhesive layer filling the space between the component and the first conductor layer. With the aid of the invention, it is possible to achieve an electronic-module construction that saves space compared to the prior art.
1. An electronics module comprising
an insulating-material layer having two opposite surfaces,
at least one microcircuit embedded to the insulating-material layer and having
a first contact surface comprising first contact terminals, from which the microcircuit is electrically connected to first conductor structures in the form of a patterned first conductor layer contained on first surface of the insulating-material layer, and
a second contact surface opposite to the first contact surface, in which there is at least one second contact terminal, from which the microcircuit is electrically connected to second conductor structures contained in the form of a patterned second conductor layer on second surface of the insulating-material layer,
wherein
there is provided a local adhesive layer between the component and the first contact surface and first conductor layer, the adhesive layer filling the space between the component and the first conductor layer,
at least one first or second contact terminal is electrically connected to the conductor structures situated on the first or second surface of the insulating-material layer with the aid of a conductor material arranged in a contacting hole made in the insulating-material layer, the conductor material forming a contact element.
2. An electronics module according to claim 1 , wherein the insulating-material layer is a 20 unified layer, consisting of the same material.
3. An electronics module according to claim 1 , wherein the insulating-material layer is formed by hardening a material layer containing at least one unhardened or pre-hardened polymer.
4. An electronics module according to claim 1 , wherein the contact element is a metallurgical contact element made of one metal.
5. An electronics module according to claim 1 , wherein the contact element is made of copper.
6. An electronics module according to claim 1 , wherein at least one of the distance of the first contact terminal to the first conductor structures and the distance of the second contact terminal to the second conductor structures is less than the diameter of the contacting holes.
7. An electronics module according to claim 1 , wherein at least one via arranged to the second surface of the insulating-material layer forms an electrical contact between body material of the microcircuit and the second conductor structures.
8. An electronics module according to claim 1 , wherein the conductor structures are connected to each other electrically through vias, in order to create an operational totality.
9. An electronics module according to claim 1 , wherein there are at least two second contact terminals.
10. An electronics module according to claim 1 , wherein at least one second contact terminal is intended for conducting a ground-plane potential, signal voltage, or power voltage to the component.
11. An electronics module according to claim 1 , wherein the microcircuit is a microprocessor.
12. An electronics module according to claim 1 , wherein the microcircuit is a memory circuit.
13. An electronics module comprising
an insulating-material layer having two opposite surfaces,
at least one microcircuit embedded to the insulating-material layer and having
a first contact surface comprising first contact terminals, from which the microcircuit is electrically connected to first conductor structures in the form of a patterned first conductor layer contained on first surface of the insulating-material layer through conducting material arranged in contacting holes aligned with the first contact terminals, and
a second contact surface opposite to the first contact surface, in which there is at least one second contact terminal, from which the microcircuit is electrically connected to second conductor structures contained in the form of a patterned second conductor layer on second surface of the insulating-material layer,
wherein
the insulating-material layer between said first and second conductor layer is a unified layer, consisting of the same material, and
there is provided an adhesive layer between the component and the first contact 10 surface and first conductor layer, the adhesive layer filling the space between the component and the first conductor layer, and
the distance between the first contact terminals and the first conductor layer is less than the diameter of the contacting holes.
14. An electronics module according to claim 13 , wherein there are at least two, preferably at least four second contact terminals.
15. An electronics module according to claim 13 , wherein the microcircuit is a microprocessor or a memory circuit.