JPH0473580U

JPH0473580U -

Info

Publication number: JPH0473580U
Application number: JP11632290U
Authority: JP
Priority date: 1990-11-06
Filing date: 1990-11-06
Publication date: 1992-06-29

Description

[Brief explanation of drawings]

第１図は本考案の第１の実施例の格子パターン
を示す平面図、第２図は第１図の格子パターンを
陽画焼きしてできる平面図、第３図は本考案の第
２の実施例の格子パターンを示す平面図、第４図
は第３図の格子パターンを陽画焼きしてできる平
面図、第５図、第６図、第７図はそれぞれ従来の
格子パターンを用いた設計図用紙を示す平面図で
ある。１……仮想主格子線、２，３……仮想副格子線
、１ａ……仮想主格子線の交点、２ａ，３ａ，３
ｃ……仮想副格子線の交点、２ｂ，３ｂ……仮想
主格子線と仮想副格子線の交点、１０……大き目
のドツト印、２０……大き目の十字状パターン、
３０……小さ目のドツト印、４０……小さ目の十
字状パターン、５０……仮想主格子上のランド、
６０……配線回路、７０……配線回路、８０……
仮想副格子上のランド、９０……配線回路、１１
……格子パターン、１１ａ……仮想主格子交点上
の十字状パターン、１１ｂ……仮想副格子交点上
の十字状パターン、１１ｃ……仮想副格子交点上
のドツト印、１２……配線回路。 Fig. 1 is a plan view showing the grid pattern of the first embodiment of the present invention, Fig. 2 is a plan view produced by positive printing of the grid pattern of Fig. 1, and Fig. 3 is a plan view of the second embodiment of the invention. A plan view showing an example lattice pattern, Fig. 4 is a plan view obtained by printing the lattice pattern in Fig. 3 in positive print, and Figs. 5, 6, and 7 are design drawings using conventional lattice patterns, respectively. FIG. 3 is a plan view showing a sheet. 1... Virtual main grid line, 2, 3... Virtual sub-grid line, 1a... Intersection of virtual main grid line, 2a, 3a, 3
c...Intersection of virtual sub-grid lines, 2b, 3b...Intersection of virtual main grid lines and virtual sub-grid lines, 10...Large dot mark, 20...Large cross-shaped pattern,
30...Small dot mark, 40...Small cross pattern, 50...Land on virtual main grid,
60... Wiring circuit, 70... Wiring circuit, 80...
Land on virtual sub-lattice, 90...Wiring circuit, 11
... Grid pattern, 11a... Cross-shaped pattern on virtual main grid intersections, 11b... Cross-shaped pattern on virtual sub-grid intersections, 11c... Dot marks on virtual sub-grid intersections, 12... Wiring circuit.

Claims

[Scope of Claim for Utility Model Registration] 1 Large dot marks are provided at the intersections of virtual main grid lines, and small dot marks are provided at the intersections of virtual sub-grid lines or between virtual main grid lines and virtual sub-grid lines. A blueprint paper characterized by having a cross-shaped pattern centered on each large and small dot mark. 2. The blueprint paper according to claim 1, wherein the larger dot marks are provided with a larger cross-shaped pattern, and the smaller dot marks are provided with a smaller cross-shaped pattern. 3. The blueprint paper according to claim 1, wherein the cross-shaped pattern is provided on some of the smaller dots.