Mobile wireless communications device including conformable, shape-retaining vacuum formed film and related methods
View Patent ↗A mobile wireless communications device may include a portable housing, a printed circuit board (PCB) carried by the portable housing, and at least one electronic component carried by PCB and extending upwardly therefrom. The mobile wireless communications device may also include a conformable, shape-retaining film being vacuum formed onto the at least one electronic component and may include a peripheral edge secured to the PCB and a body portion conforming to the at least one electronic component.
1. A mobile wireless communications device comprising:
a portable housing;
a printed circuit board (PCB) carried by said portable housing;
at least one electronic component carried by said PCB and extending upwardly therefrom; and
an adhesive material layer carried by said at least one electronic component;
a rigid metallic frame coupled to said PCB around said circuitry; and
a conformable, shape-retaining film comprising
a peripheral edge configured to be secured to said rigid metallic frame,
a body portion configured to conform to said at least one electronic component, and
a vacuum port opening adjacent said adhesive material layer,
the vacuum port opening being configured to be vacuumed by a vacuum source so that the peripheral edge conforms to said at least one electronic component,
the vacuum port opening being configured to be sealed by contacting the adhesive material layer in response to being vacuumed.
2. The mobile wireless communications device of claim 1 , wherein said conformable, shape-retaining film comprises an electrically conductive layer to provide Radio Frequency (RF) shielding.
3. The mobile wireless communications device of claim 2 , wherein said electrically conductive layer comprises aluminum.
4. The mobile wireless communications device of claim 2 , wherein said conformable, shape-retaining film further comprises a dielectric layer adjacent said electrically conductive layer.
5. The mobile wireless communications device of claim 1 , further comprising at least one other electronic component beneath said shape-retaining film.
6. The mobile wireless communications device of claim 1 , further comprising:
a wireless transceiver carried by said PCB; and
an antenna coupled to said wireless transceiver.
7. The mobile wireless communications device of claim 1 , wherein said at least one electronic component comprises at least one integrated circuit (IC).
8. The mobile wireless communications device of claim 1 , wherein said at least one electronic component comprises a processor.
9. A shielding frame assembly to be coupled to a printed circuit board (PCB) carried by a housing of a mobile wireless communications device comprising at least one electronic component carried by the PCB and extending upwardly therefrom, and an adhesive material layer carried by said at least one electronic component, the shielding frame assembly comprising:
a rigid metallic frame to be coupled to the PCB around the at least one electronic component; and
a conformable, shape-retaining film comprising:
an electrically conductive layer configured to provide radio frequency (RF) shielding,
a peripheral edge configured to be secured to said rigid metallic frame,
a body portion configured to conform to the at least one electronic component, and
a vacuum port opening adjacent the adhesive material layer,
the vacuum port opening being configured to be vacuumed by a vacuum source so that the peripheral edge conforms to the at least one electronic component,
the vacuum port opening being configured to be sealed by contacting the adhesive material layer in response to being vacuumed.
10. The shielding frame assembly of claim 9 , wherein said electrically conductive layer comprises aluminum.
11. The shielding frame assembly of claim 9 , wherein said conformable, shape-retaining film further comprises a dielectric inner layer adjacent said electrically conductive layer.
12. A method of making a mobile wireless communications device comprising a portable housing, a printed circuit board (PCB) carried by the portable housing, at least one electronic component carried by the PCB and extending upwardly therefrom, and an adhesive material layer carried by the at least one electronic component, the method comprising:
coupling a rigid metallic frame to the PCB around the at least one electronic component;
securing a peripheral edge of a conformable, shape-retaining film to the rigid metallic frame;
positioning a vacuum port opening of the conformable, shape-retaining film adjacent the adhesive material layer; and
vacuuming the vacuum port opening using a vacuum source so that the peripheral edge conforms to the at least one electronic component, and so that the vacuum port opening is sealed by contacting the adhesive material layer.
13. The method of claim 12 , wherein the conformable, shape-retaining film comprises an electrically conductive layer to provide Radio Frequency (RF) shielding.
14. The method of claim 13 , wherein the electrically conductive layer comprises aluminum.
15. The method of claim 13 , wherein the conformable, shape-retaining film further comprises a dielectric layer adjacent the electrically conductive layer.