Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
168 words
A circuit board having a lateral conductive pattern and shielded regions, including a first laminate comprising an isolating or dielectric first substrate and a conductive pattern of signal conductors and ground conductors located on a first side of the first substrate, a second laminate comprising an isolating or dielectric second substrate and a second conductive layer arranged on the first side of the second substrate, the first laminate being laminated, with the first side of the first substrate having the conductive pattern, to the second laminate, the first side of the second substrate being turned away from the first laminate, wherein windows are arranged through the thickness of the second laminate, in order to enable mounting of components to the conductive pattern of the first laminate inside the windows, and a third conductive layer is arranged to electrically connect the ground conductors of the conductive pattern of the first laminate and the conductive layer of the second laminate and to cover a second side of the first laminate.
Claim 2
Dependent Claim
168 words
A circuit board having a lateral conductive pattern and shielded regions, including a first laminate comprising an isolating or dielectric first substrate and a conductive pattern of signal conductors and ground conductors located on a first side of the first substrate, a second laminate comprising an isolating or dielectric second substrate and a second conductive layer arranged on the first side of the second substrate, the first laminate being laminated, with the first side of the first substrate having the conductive pattern, to the second laminate, the first side of the second substrate being turned away from the first laminate, wherein windows are arranged through the thickness of the second laminate, in order to enable mounting of components to the conductive pattern of the first laminate inside the windows, and a third conductive layer is arranged to electrically connect the ground conductors of the conductive pattern of the first laminate and the conductive layer of the second laminate and to cover a second side of the first laminate.
Claim 3
Dependent Claim
33 words
A circuit board as claimed in claim 1, wherein said windows are cut in the substrate of the second laminate and have been etched away from the conductive layer of the second laminate.
Claim 4
Dependent Claim
50 words
A circuit board as claimed in claim 1, wherein the third conductive layer is a composite conductive layer which is comprised of a fourth conductive layer applied only to a second side of the first laminate and a fifth conductive layer covering at least the edges of the circuit board.
Claim 5
Dependent Claim
28 words
A circuit board as claimed in claim 1, wherein conductive caps are soldered to the second conductive layer of the second laminate in order to cover the windows.
Claim 6
Dependent Claim
28 words
A circuit board as claimed in claim 1, wherein conductive caps are clamped to the second conductive layer of the second laminate in order to cover the windows.
Claim 7
Dependent Claim
64 words
A circuit board as claimed in claim 1, wherein the ground conductors of the conductive pattern of the first laminate comprise portions, in the shape of contact tabs, projecting past the edges of the substrate of the first laminate in order to contact the third conductive layer connecting the second conductive layer and the ground conductors of the conductive pattern of the first laminate.
Claim 8
Dependent Claim
53 words
A circuit board as claimed in claim 1, wherein the second conductive layer of the second laminate projects past the edges of the substrate of the second laminate in order to contact the third conductive layer connecting the second conductive layer and the ground conductors of the conductive pattern of the first laminate.
Claim 9
Dependent Claim
58 words
A circuit board as claimed in claim 1, wherein the second substrate is slightly larger than the first substrate and the first and second substrates are arranged in relation to each other in such a way that a margin of the second substrate extends past the edge of the first substrate along the edges of the circuit board.
Claim 10
Dependent Claim
25 words
A circuit board as claimed in claim 1, wherein said margin has a width of about the same size as the thickness of the substrates.
Claim 11
Dependent Claim
21 words
A circuit board as claimed in claim 2, wherein said margin has a width greater than the thickness of the substrates.
Claim 12
Dependent Claim
72 words
A circuit board as claimed in claim 3, wherein windows in the first substrate also pass through the fourth conductive layer, and regions of the first conductive layer are left on top of said windows, and the fifth conductive layer in the third conductive layer connects electrically the edges of the conductive layers inside said windows and the regions to form grounded areas inside the conductor pattern in the first conductive layer.
Claim 13
Dependent Claim
56 words
A circuit board as claimed in claim 1, comprising bandshaped or stripshaped conductors connecting one part of the circuit board with another part thereof, wherein windows are formed adjacent to said bandshaped or stripshaped conductors through the first laminate and through the substrate of the second laminate and the second conductive layer extends over these windows.
Claim 14
Dependent Claim
82 words
A circuit board as claimed in claim 12, wherein over a length of said bandshaped or stripshaped conductors there is an edge either of the circuit board or of said windows made through the first laminate and through the substrate of the second laminate on both sides of said length, the distances from the edge of the conductor to an edge of the circuit board or one of said windows being substantially constant over said length, and also equal to each other.
Claim 15
Dependent Claim
21 words
A circuit board as claimed in claim 1, wherein the substrates are made from glass fiber reinforced plastics or artificial resin.