Method of stacking printed circuit boards

Claim 1

1 . A method of stacking printed circuit boards wherein a plurality of printed circuit boards (10, 20, 30,...) mounted with electronic parts (62) comprising circuits are stacked on a mother board (50), characterized in that N sheets of printed circuit boards (10, 20, 30,...) are formed, respectively, in the same size and shape of a regular N-sided polygon (the symbol N is an integer not less than three), said mother board (50) is provided at a position corresponding to one side of said regular N-sided polygon with a first connector (51) in which terminals of a data bus line, of an address bus line, and of a timing signal line for reading/writing data are arranged, and is provided at 360/N-degree intervals around the center point of said regular N-sided polygon with N pieces of second connectors (52, 53, 54,...), consisting of one or more terminals, for selecting said printed circuit boards, each of said printed circuit boards (10, 20, 30,...) is provided on one face thereof at one side of said regular N-sided polygon with a third connector (11, 21, 31,...) in which terminals are arranged in the same manner as said first connector to said side having said third connector (11, 21, 31,...) with a fourth connector (12, 22, 32,...), each of whose terminals is connected to each of the terminals of said third connector (11, 21, 31,...) thereon, respectively, and is provided on both faces thereof penetrating therethrough at positions confronting N pieces of said second connectors (52, 53, 54,...) of said mother board (50) with N pieces of fifth connectors (13, 14, 15,..., 23, 24, 25,...) for coupling to said second connectors, respectively, and N sheets of said printed circuit boards (10, 20, 30,...) are stacked on said mother board (50) rotated one side at a time.

Claim 7

A method of stacking printed circuit boards, wherein four printed circuit boards (10, 20, 30, 40) formed as squares of the same specification and the same size are mounted with electronic parts - (62) comprising circuits, and are stacked on a mother board (50) rotated 90 degrees each with respect to said mother board or the lower printed circuit board, characterized in that each of said printed circuit boards (10, 20, 30, 40) is provided at one side with a third connector (11, 21, 31, 41) for coupling to said mother board or the lower printed circuit board, is provided at a side adjacent to said side with a fourth connector (12, 22, 32, 42) for coupling . to the upper printed circuit board, and is provided on both faces thereof penetrating therethrough with a fifth connector (13, 14, 15, 16, 23, 24, 25,...), consisting of one or more terminals, for selecting said printed circuit boards and for interconnecting the upper printed circuit board and either said mother board or the lower printed circuit board, each of the terminals of said fourth connectors (12, 22, 32, 42) is connected to each of the terminals of said third connectors (11, 21, 31, 41), each of said printed circuit boards (10, 20, 30, 40) is encased and held in a package (100, 200, 300, 400) comprising an upper lid (18, 28, 38, 48) and a lower lid (19, 29, 39, 49), said package (100, 200, 300, 400) is apertured at parts where said third, fourth, and fifth connectors (11, 21, 31, 41, 12, 22, 32, 42, 13, 14, 15, 16, 23, 24, 25,...) of the stacked printed circuit boards are interconnected, is provided at the four corners with through holes (17a, 17b, 17c,..., 27a, 27b, 27c,..., 37a, 37b, 37c,..., 47a, 47b, 47c,...), and is stacked two by two, and fasteners (91, 92, 93,...) are inserted into two non-adjacent holes among the four holes, so as to fix said packages to each other.

Claim 8

A method of stacking printed circuit boards, wherein four printed circuit boards (10, 20, 30, 40) formed as squares of the same specification and the same size are mounted with electronic parts - (62) comprising circuits, and are stacked on a mother board (50) rotated 90 degrees each with respect to said mother board or the lower printed circuit board, characterized in that each of said printed circuit boards (10, 20, 30, 40) is provided at one side with a third connector (11, 21, 31, 41) for coupling to said mother board or the lower printed circuit board, is provided at a side adjacent to said side with a fourth connector (12, 22, 32, 42) for coupling . to the upper printed circuit board, and is provided on both faces thereof penetrating therethrough with a fifth connector (13, 14, 15, 16, 23, 24, 25,...), consisting of one or more terminals, for selecting said printed circuit boards and for interconnecting the upper printed circuit board and either said mother board or the lower printed circuit board, each of the terminals of said fourth connectors (12, 22, 32, 42) is connected to each of the terminals of said third connectors (11, 21, 31, 41), each of said printed circuit boards (10, 20, 30, 40) is encased and held in a package (100, 200, 300, 400) comprising an upper lid (18, 28, 38, 48) and a lower lid (19, 29, 39, 49), said package (100, 200, 300, 400) is apertured at parts where said third, fourth, and fifth connectors (11, 21, 31, 41, 12, 22, 32, 42, 13, 14, 15, 16, 23, 24, 25,...) of the stacked printed circuit boards are interconnected, is provided at the four corners with through holes (17a, 17b, 17c,..., 27a, 27b, 27c,..., 37a, 37b, 37c,..., 47a, 47b, 47c,...), and is stacked two by two, and fasteners (91, 92, 93,...) are inserted into two non-adjacent holes among the four holes, so as to fix said packages to each other.

Claim 9

A method of stacking printed circuit boards, wherein a plurality of printed circuit boards (10,...) mounted with electronic parts (62) comprising circuits are stacked on a mother board (50), characterized in that said printed circuit boards (10,...) are formed, respectively, in the same size and shape of a regular M-sided polygon (the symbol M is an integer not less than four), said mother board (50) is provided-at positions corresponding to two non-adjacent sides of said regular M-sided polygon with first and eighth connectors (51, 51a) in which terminals of a data bus line, of an address bus line, and of a timing signal line for reading/writing data are arranged, is provided at 360/M-degree intervals around the center point of said regular M-sided polygon with M pieces of second connectors (52, 53, 54,...), consisting of one or more terminals, for selecting said printed circuit boards, each of said printed circuit boards (10,...) is provided on one face thereof at two sides of said regular M-sided polygon with third and ninth connectors (11,..., 11a,...) which are located in the same relation, in which terminals are arranged in the same manner as said first and eighth connectors (51, 51a), is provided on the opposite face thereof at each of sides adjacent to said sides having said third and ninth connectors with fourth and 10th connectors (12,..., 12a,...) each of whose terminals is connected to each of the terminals of said third and ninth connectors thereon, respectively, and is provided on both faces thereof penetrating therethrough at positions confronting M pieces of said second connectors (52, 53, 54,...) of said mother board (50) with M pieces of fifth connectors (13, 14, 15,...) for coupling to said second connectors, respectively, and M sheets of said printed circuit boards (10,...) are stacked on said mother board (50) rotated one side at a time.

Claim 10

A method of stacking printed circuit boards, wherein a plurality of printed circuit boards (10,...) mounted with electronic parts (62) comprising circuits are stacked on a mother board (50), characterized in that said printed circuit boards (10,...) are formed, respectively, in the same size and shape of a regular M-sided polygon (the symbol M is an integer not less than four), said mother board (50) is provided-at positions corresponding to two non-adjacent sides of said regular M-sided polygon with first and eighth connectors (51, 51a) in which terminals of a data bus line, of an address bus line, and of a timing signal line for reading/writing data are arranged, is provided at 360/M-degree intervals around the center point of said regular M-sided polygon with M pieces of second connectors (52, 53, 54,...), consisting of one or more terminals, for selecting said printed circuit boards, each of said printed circuit boards (10,...) is provided on one face thereof at two sides of said regular M-sided polygon with third and ninth connectors (11,..., 11a,...) which are located in the same relation, in which terminals are arranged in the same manner as said first and eighth connectors (51, 51a), is provided on the opposite face thereof at each of sides adjacent to said sides having said third and ninth connectors with fourth and 10th connectors (12,..., 12a,...) each of whose terminals is connected to each of the terminals of said third and ninth connectors thereon, respectively, and is provided on both faces thereof penetrating therethrough at positions confronting M pieces of said second connectors (52, 53, 54,...) of said mother board (50) with M pieces of fifth connectors (13, 14, 15,...) for coupling to said second connectors, respectively, and M sheets of said printed circuit boards (10,...) are stacked on said mother board (50) rotated one side at a time.

Claim 13

A method of stacking printed circuit boards, wherein a plurality of printed circuit boards (10, 20, 30,...) mounted with electronic parts (62) comprising circuits are stacked on a mother board (50), characterized in that said printed circuit boards (10, 20, 30,...) are formed, respectively, in the same size and shape of a regular M-sided polygon (the symbol M is an integer not less than four), said mother board (50) is provided on the top face at positions corresponding to two non-adjacent sides of said regular M-sided polygon with first and eighth connectors (51, 51a) for coupling to said printed circuit board in which terminals of a data bus line, of an address bus line, and of a timing signal line for reading/writing data are arranged, is provided on the bottom face at each of sides adjacent to said sides provided with said first and eighth connectors with 11th and 12th connectors (51b, 51c) each of whose terminals is connected to each of the terminals of said first and eighth connectors thereon, respectively, and is provided on both faces thereof penetrating therethrough at 360/M-degree intervals around the center point of said regular M-sided polygon with M pieces of second connectors (52, 53, 54,...), consisting of one or more terminals, for selecting said printed circuit boards, each of said printed circuit boards (10, 20, 30, 40) is provided on one face thereof at two sides with third and ninth connectors (11, 21, 31,..., 11a, 21a, 31a,...) which are located in the same relation, in which terminals are arranged in the same manner as said first and eighth connectors (51, 51a), is provided on the opposite face thereof at each of sides adjacent to said sides having said third and ninth connectors with fourth and 10th connectors (12, 22, 32,..., 12a, 22a, 32a,...) which are located in the same relation, in which terminals are arranged in the same manner as said 11th and 12th connectors (12, 22, 32,..., 12a, 22a, 32a,...), and is provided on both faces thereof penetrating therethrough at positions confronting M pieces of said second connectors (52, 53, 54,...) of said mother board (50) with M pieces of fifth connectors (13, 14, 15,..., 23, 24, 25,...) for coupling to said second connectors, respectively, and said plurality of printed circuit boards (10, 20, 30,...) are stacked on both faces of said mother board (50) rotated one side at a time.

Claim 14

A method of stacking printed circuit boards, wherein a plurality of printed circuit boards (10, 20, 30,...) mounted with electronic parts (62) comprising circuits are stacked on a mother board (50), characterized in that said printed circuit boards (10, 20, 30,...) are formed, respectively, in the same size and shape of a regular M-sided polygon (the symbol M is an integer not less than four), said mother board (50) is provided on the top face at positions corresponding to two non-adjacent sides of said regular M-sided polygon with first and eighth connectors (51, 51a) for coupling to said printed circuit board in which terminals of a data bus line, of an address bus line, and of a timing signal line for reading/writing data are arranged, is provided on the bottom face at each of sides adjacent to said sides provided with said first and eighth connectors with 11th and 12th connectors (51b, 51c) each of whose terminals is connected to each of the terminals of said first and eighth connectors thereon, respectively, and is provided on both faces thereof penetrating therethrough at 360/M-degree intervals around the center point of said regular M-sided polygon with M pieces of second connectors (52, 53, 54,...), consisting of one or more terminals, for selecting said printed circuit boards, each of said printed circuit boards (10, 20, 30, 40) is provided on one face thereof at two sides with third and ninth connectors (11, 21, 31,..., 11a, 21a, 31a,...) which are located in the same relation, in which terminals are arranged in the same manner as said first and eighth connectors (51, 51a), is provided on the opposite face thereof at each of sides adjacent to said sides having said third and ninth connectors with fourth and 10th connectors (12, 22, 32,..., 12a, 22a, 32a,...) which are located in the same relation, in which terminals are arranged in the same manner as said 11th and 12th connectors (12, 22, 32,..., 12a, 22a, 32a,...), and is provided on both faces thereof penetrating therethrough at positions confronting M pieces of said second connectors (52, 53, 54,...) of said mother board (50) with M pieces of fifth connectors (13, 14, 15,..., 23, 24, 25,...) for coupling to said second connectors, respectively, and said plurality of printed circuit boards (10, 20, 30,...) are stacked on both faces of said mother board (50) rotated one side at a time.