# US 2017/0257943 A1 · A circuit board system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0257943 A1 - Document ID: US20170257943A1 - Status: Published application - Kind: A1 - Application number: 15/510,284 - Filed: 2015-09-03 - Published: 2017-09-07 - Earliest claimed: 2014-09-12 - Assignees: Ledil Oy - Applicants: Ledil Oy - Inventors: Hannu HUKKANEN - Web page: https://patentgrep.com/patent/US20170257943A1 ## CPC - H05K 1/0274: {Optical details, e.g. printed circuits comprising integral optical means (H05K1/0269 takes precedence; coupling light guides with opto-electronic components G02B6/42)} - G02B 6/3502: {involving direct waveguide displacement, e.g. cantilever type waveguide displacement involving waveguide bending, or displacing an interposed waveguide between stationary waveguides} - H05K 1/142: {Arrangements of planar printed circuit boards in the same plane, e.g. auxiliary printed circuit insert mounted in a main printed circuit} - H05K 3/0008: {for aligning or positioning of tools relative to the circuit board (H05K3/4638, H05K3/4679 take precedence; for manufacturing assemblages of components H05K13/0015)} - H05K 3/0052: {Depaneling, i.e. dividing a panel into circuit boards; Working of the edges of circuit boards} - H05K 2201/09027: Non-rectangular flat PCB, e.g. circular - H05K 2201/10106: Light emitting diode [LED] - H05K 2201/209: Auto-mechanical connection between a component and a PCB or between two PCBs - H05K 2203/167: Using mechanical means for positioning, alignment or registration, e.g. using rod-in-hole alignment - H05K 2203/176: Removing, replacing or disconnecting component; Easily removable component - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract A circuit board system includes a circuit board having a base part (101) and at least one changeable part (102) furnished with at least one electrical component (103) such as a light emitting diode. The base part includes an aperture for receiving the changeable part so that a perpendicular of the changeable part is parallel with a perpendicular of the base part. The aperture is shaped to allow the position of the changeable part to be changed with respect to the base part when the changeable part is in the aperture, and edges of the aperture and the changeable part have mutually cooperative connection portions (105, 106) which allow the changeable part to be introduced on the aperture when the changeable part is in a first position and which limit freedom of the changeable part to get away from the aperture when the changeable part is in a second position. ## Claims ### Claim at position 1 1-14. (canceled) ### Claim 15 A circuit board system comprising: a circuit board comprising a base part and at least one changeable part, and at least one electrical component mounted on a surface of the changeable part, wherein the base part comprises an aperture for receiving the changeable part so that a perpendicular of the surface of the changeable part is parallel with a perpendicular of a surface of the base part, the aperture being shaped to allow a position of the changeable part to be changed with respect to the base part when the changeable part is in the aperture so that the perpendicular of the surface of the changeable part is parallel with the perpendicular of the surface of the base part, and edges of the aperture and edges of the changeable part being shaped to form mutually cooperative connection portions which allow the changeable part to be introduced on the aperture when the changeable part is in a first position with respect to the base part and which mechanically limit freedom of the changeable part to get away from the aperture when the changeable part is in a second position with respect to the base part, and wherein the circuit board system further comprises a locking element having connection portions shaped to constitute, together with the connection portions of the changeable part, combined connection portions for shape-locking the combination of the changeable part and the locking element with respect to the base part when the changeable part is in the second position with respect to the base part. ### Claim 16 (depends on 15) A circuit board system according to claim 15, wherein the aperture is shaped to allow the changeable part to be rotated with respect to a rotation axis parallel with the perpendicular of the surface of the changeable part when the changeable part is in the aperture so that the perpendicular of the surface of the changeable part is parallel with the perpendicular of the surface of the base part, the first position being a first rotational position of the changeable part with respect to the base part and the second position being a second rotational position of the changeable part with respect to the base part. ### Claim 17 (depends on 15) A circuit board system according to claim 15, wherein the aperture is shaped to allow the changeable part to be linearly translated in a direction parallel with the base part when the changeable part is in the aperture so that the perpendicular of the surface of the changeable part is parallel with the perpendicular of the surface of the base part, the first position being a first translational position of the changeable part with respect to the base part and the second position being a second translational position of the changeable part with respect to the base part. ### Claim 18 (depends on 15) A circuit board system according to claim 15, wherein the connection portions of the changeable part are cantilevers of the changeable part and the base part is shaped so that the aperture comprises portions corresponding to the cantilevers so as to allow the changeable part to be introduced on the aperture when the changeable part is in the first position where the cantilevers are aligned with the corresponding portions of the aperture, and so that the cantilevers overlap with the connection portions of the base part when the changeable part is in the second position. ### Claim 19 (depends on 15) A circuit board system according to claim 15, wherein at least one of the connection portions of the changeable part comprises connection pads and at least one of the connection portions of the base part comprises contact elements (215) for forming galvanic contacts with the connection pads when the changeable part is in the second position. ### Claim 20 (depends on 19) A circuit board system according to claim 19, wherein the connections portions of the changeable part and the connections portions of the base part mechanically limit the freedom of the changeable part to get away from the aperture when the changeable part is in a third position with respect to the base part. ### Claim 21 (depends on 20) A circuit board system according to claim 20, wherein the base part comprise other contact elements for forming galvanic contacts with the connection pads when the changeable part is in the third position. ### Claim 22 (depends on 15) A circuit board system according to claim 15, wherein the locking element comprises flexible electrical conductors for forming galvanic contacts with connection pads of the base part and with connection pads of the changeable part when the changeable part is in the second position with respect to the base part so as to provide electrical connections between the base part and the changeable part. ### Claim 23 (depends on 15) A circuit board system according to claim 15, wherein the at least one electrical component (103, 203) mounted on the changeable part comprises a light source. ### Claim 24 (depends on 15) A circuit board system according to claim 15, wherein the at least one electrical component mounted (203) on the changeable part comprises a light source and the locking element (207) is an optical device for modifying distribution pattern of light emitted by the light source. ### Claim 25 (depends on 24) A circuit board system according to claim 24, wherein the optical device comprises at least one of the following: a reflector portion, a lens portion. ### Claim 26 (depends on 24) A circuit board system according to claim 24, wherein the light source is a light emitting diode. ### Claim 27 A method for fabricating a circuit board system, the method comprising: fabricating a circuit board comprising a base part and at least one changeable part so that the circuit board comprises one or more isthmuses connecting the base part and the changeable part to each other, mounting at least one electrical component on the changeable part, and subsequently breaking the one or more isthmuses so as to mechanically detach the changeable part from the base part, wherein the base part comprises an aperture for receiving the changeable part so that a perpendicular of the surface of the changeable part is parallel with a perpendicular of a surface of the base part, the aperture being shaped to allow a position of the changeable part to be changed with respect to the base part when the changeable part is in the aperture so that the perpendicular of the surface of the changeable part is parallel with the perpendicular of the surface of the base part, and edges of the aperture and edges of the changeable part being shaped to form mutually cooperative connection portions which allow the changeable part to be introduced on the aperture when the changeable part is in a first position with respect to the base part and which mechanically limit freedom of the changeable part to get away from the aperture when the changeable part is in a second position with respect to the base part, and wherein the method further comprises providing the circuit board system with a locking element having connection portions shaped to constitute, together with the connection portions of the changeable part, combined connection portions for shape-locking the combination of the changeable part and the locking element with respect to the base part when the changeable part is in the second position with respect to the base part.