Abstract: A flexible printed circuit board including an annular main board and a plurality of branches connected with the annular main board is provided. Each of the branches includes an extension portion connected with the annular main board and a bonding portion, and an electronic component is adapted to be disposed on the bonding portion. A supporting holder including an annular base, two wing structures, and a plurality of mounting portions is also disclosed, wherein the wing structures extend outward from the annular base and the mounting portions are located on the annular base and the wing structures. Further, a controller including the flexible printed circuit board and the supporting holder aforementioned is disclosed, wherein the annular main board is disposed on the annular base and the branches are disposed on the annular base and the wing structures, such that the bonding portions are located on the mounting portions correspondingly.

Abstract: A switch assembly is adapted to be disposed in a holding portion of a hand-held device. The switch assembly includes first and second keys, first and second connecting portions, a switch element and a plunger. The first and second keys are exposed on the surface of the holding portion and respectively disposed on the opposite sides thereof. The first and second connecting portions respectively connect the first and second keys and the holding portion. The first and second connecting portions are disposed for allowing the first key having a displacement toward the second key along their connecting direction. The switch element is located inside of the holding portion, and the first key has a first backside toward the second key. The second key has a second backside toward the first key. The plunger is adapted to press and activate the switch element through the displacement.

Abstract: A method of fabricating a housing includes: providing a metal member including a base plate and a sidewall, the base plate having an inner surface connected to the sidewall; providing a filler having a connecting surface and a first top surface; fixing the filler onto the metal member to make the connecting surface connect to the inner surface and the first top surface to respectively form first and second included angles larger than 90 degrees and smaller than 180 degrees; providing a film attached with an ink layer, and then performing a process of In-Mold-Roller Injection Molding to form a plastic on the sidewall and the filler, the ink layer attached to the plastic; and removing a part of the filler and a part of the plastic at the sidewall to form a machined surface connected to the inner surface and the upper appearance surface.

Abstract: A flexible printed circuit board including an annular main board and a plurality of branches connected with the annular main board is provided. Each of the branches includes an extension portion connected with the annular main board and a bonding portion, and an electronic component is adapted to be disposed on the bonding portion. A supporting holder including an annular base, two wing structures, and a plurality of mounting portions is also disclosed, wherein the wing structures extend outward from the annular base and the mounting portions are located on the annular base and the wing structures. Further, a controller including the flexible printed circuit board and the supporting holder aforementioned is disclosed, wherein the annular main board is disposed on the annular base and the branches are disposed on the annular base and the wing structures, such that the bonding portions are located on the mounting portions correspondingly.

Abstract: A switch assembly is adapted to be disposed in a holding portion of a hand-held device. The switch assembly includes first and second keys, first and second connecting portions, a switch element and a plunger. The first and second keys are exposed on the surface of the holding portion and respectively disposed on the opposite sides thereof. The first and second connecting portions respectively connect the first and second keys and the holding portion. The first and second connecting portions are disposed for allowing the first key having a displacement toward the second key along their connecting direction. The switch element is located inside of the holding portion, and the first key has a first backside toward the second key. The second key has a second backside toward the first key. The plunger is adapted to press and activate the switch element through the displacement.

Abstract: A method of fabricating a housing includes: providing a metal member including a base plate and a sidewall, the base plate having an inner surface connected to the sidewall; providing a filler having a connecting surface and a first top surface; fixing the filler onto the metal member to make the connecting surface connect to the inner surface and the first top surface to respectively form first and second included angles larger than 90 degrees and smaller than 180 degrees; providing a film attached with an ink layer, and then performing a process of In-Mold-Roller Injection Molding to form a plastic on the sidewall and the filler, the ink layer attached to the plastic; and removing a part of the filler and a part of the plastic at the sidewall to form a machined surface connected to the inner surface and the upper appearance surface.

Abstract: A method of fabricating a housing includes: providing a metal member including a base plate and a sidewall, the base plate having an inner surface connected to the sidewall; providing a filler having a connecting surface and a first top surface; fixing the filler onto the metal member to make the connecting surface connect to the inner surface and the first top surface to respectively form first and second included angles larger than 90 degrees and smaller than 180 degrees; providing a film attached with an ink layer, and then performing a process of In-Mold-Roller Injection Molding to form a plastic on the sidewall and the filler, the ink layer attached to the plastic; and removing a part of the filler and a part of the plastic at the sidewall to form a machined surface connected to the inner surface and the upper appearance surface.

Abstract: A method of fabricating a housing includes: providing a metal member including a base plate and a sidewall, the base plate having an inner surface connected to the sidewall; providing a filler having a connecting surface and a first top surface; fixing the filler onto the metal member to make the connecting surface connect to the inner surface and the first top surface to respectively form first and second included angles larger than 90 degrees and smaller than 180 degrees; providing a film attached with an ink layer, and then performing a process of In-Mold-Roller Injection Molding to form a plastic on the sidewall and the filler, the ink layer attached to the plastic; and removing a part of the filler and a part of the plastic at the sidewall to form a machined surface connected to the inner surface and the upper appearance surface.