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style=3D'mso-spacerun:yes'> =
</span><span style=3D'mso-spacerun:yes'> </span></span><span lang=3DEN=
-US
style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-family:PMingLiU;
color:black;mso-font-kerning:0pt'><!--[if gte vml 1]><v:shape id=3D"_x0000_=
i1034"
type=3D"#_x0000_t75" alt=3D"" style=3D'width:96.75pt;height:58.5pt'>
<v:imagedata src=3D"file1431.files/image008.jpg" o:href=3D"http://eda.sded=
u.net/study/ProtelDxp/protel_6_clip_image016.jpg"/>
</v:shape><![endif]--><![if !vml]><img width=3D129 height=3D78
src=3D"file1431.files/image008.jpg" v:shapes=3D"_x0000_i1034"><![endif]></s=
pan><span
lang=3DEN-US style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-fam=
ily:
PMingLiU;color:black;mso-font-kerning:0pt;mso-fareast-language:ZH-CN'><span
style=3D'mso-spacerun:yes'> =
</span></span><span
lang=3DEN-US style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-fam=
ily:
PMingLiU;color:black;mso-font-kerning:0pt'><!--[if gte vml 1]><v:shape id=
=3D"_x0000_i1035"
type=3D"#_x0000_t75" alt=3D"" style=3D'width:115.5pt;height:58.5pt'>
<v:imagedata src=3D"file1431.files/image009.jpg" o:href=3D"http://eda.sded=
u.net/study/ProtelDxp/protel_6_clip_image018.jpg"/>
</v:shape><![endif]--><![if !vml]><img width=3D154 height=3D78
src=3D"file1431.files/image009.jpg" v:shapes=3D"_x0000_i1035"><![endif]><o:=
p></o:p></span></p>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center;mso-line-hei=
ght-alt:
1.0pt;mso-pagination:widow-orphan'><span style=3D'font-size:10.5pt;font-fam=
ily:
SimSun;mso-bidi-font-family:PMingLiU;color:black;mso-font-kerning:0pt;
mso-fareast-language:ZH-CN'>图<span lang=3DEN-US> 7-6 none </span>=
9118;格<span
lang=3DEN-US><span
style=3D'mso-spacerun:yes'> =
</span><span style=3D'mso-spacerun:yes'> </span></sp=
an>图<span
lang=3DEN-US> 7-7 Nomal </span>风格<span lang=3DEN-US><span
style=3D'mso-spacerun:yes'> =
&nb=
sp;
</span></span>图<span lang=3DEN-US> 7-8 Brackets </span>风Ċ=
84;</span><span
lang=3DEN-US style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-fam=
ily:
PMingLiU;color:black;mso-font-kerning:0pt'><o:p></o:p></span></p>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center;mso-line-hei=
ght-alt:
1.0pt;mso-pagination:widow-orphan'><span lang=3DEN-US style=3D'font-size:10=
.5pt;
font-family:SimSun;mso-bidi-font-family:PMingLiU;color:black;mso-font-kerni=
ng:
0pt;mso-fareast-language:ZH-CN;mso-bidi-font-weight:bold'>7.3 </span><span
style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-family:PMingLiU;
color:black;mso-font-kerning:0pt;mso-fareast-language:ZH-CN;mso-bidi-font-w=
eight:
bold'>敷铜</span><span style=3D'font-size:10.5pt;font-family:Si=
mSun;
mso-bidi-font-family:PMingLiU;color:black;mso-font-kerning:0pt;mso-bidi-fon=
t-weight:
bold'> </span><span lang=3DEN-US style=3D'font-size:10.5pt;font-family:SimS=
un;
mso-bidi-font-family:PMingLiU;color:black;mso-font-kerning:0pt'><o:p></o:p>=
</span></p>
<p class=3DMsoNormal style=3D'mso-line-height-alt:1.0pt;mso-pagination:wido=
w-orphan'><span
style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-family:PMingLiU;
color:black;mso-font-kerning:0pt;mso-fareast-language:ZH-CN'>通६=
0;的<span
lang=3DEN-US> PCB </span>电路板设计中&#=
65292;为了提高电路板的ü=
39;干扰能力,将电路板=
上没有布线的空白区=
8388;铺满铜膜。一般将৓=
2;铺的铜膜接地,以便&=
#20110;电路板能更好地抵=
239;外部信号的干扰。</span>=
<span
lang=3DEN-US style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-fam=
ily:
PMingLiU;color:black;mso-font-kerning:0pt'> <o:p></o:p></span></p>
<p class=3DMsoNormal style=3D'mso-line-height-alt:1.0pt;mso-pagination:wido=
w-orphan'><span
lang=3DEN-US style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-fam=
ily:
PMingLiU;color:black;mso-font-kerning:0pt;mso-fareast-language:ZH-CN'>1 </s=
pan><span
style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-family:PMingLiU;
color:black;mso-font-kerning:0pt;mso-fareast-language:ZH-CN'>.ਥ=
5;铜的方法</span><span
lang=3DEN-US style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-fam=
ily:
PMingLiU;color:black;mso-font-kerning:0pt'> <o:p></o:p></span></p>
<p class=3DMsoNormal style=3D'mso-line-height-alt:1.0pt;mso-pagination:wido=
w-orphan'><span
style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-family:PMingLiU;
color:black;mso-font-kerning:0pt;mso-fareast-language:ZH-CN'>从ߒ=
7;菜单执行命令<span
lang=3DEN-US> Place/Polygon Plane …</span>,也可=
0197;用组件放置工具栏ߑ=
3;的<span
lang=3DEN-US> Place Polygon Plane </span>按钮 </span><span
lang=3DEN-US style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-fam=
ily:
PMingLiU;color:black;mso-font-kerning:0pt'><!--[if gte vml 1]><v:shape id=
=3D"_x0000_i1036"
type=3D"#_x0000_t75" alt=3D"" style=3D'width:12.75pt;height:10.5pt'>
<v:imagedata src=3D"file1431.files/image010.jpg" o:href=3D"http://eda.sded=
u.net/study/ProtelDxp/protel_6_clip_image020.jpg"/>
</v:shape><![endif]--><![if !vml]><img width=3D17 height=3D14
src=3D"file1431.files/image010.jpg" v:shapes=3D"_x0000_i1036"><![endif]></s=
pan><span
style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-family:PMingLiU;
color:black;mso-font-kerning:0pt;mso-fareast-language:ZH-CN'>。</span=
><span
lang=3DEN-US style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-fam=
ily:
PMingLiU;color:black;mso-font-kerning:0pt'> <o:p></o:p></span></p>
<p class=3DMsoNormal style=3D'mso-line-height-alt:1.0pt;mso-pagination:wido=
w-orphan'><span
style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-family:PMingLiU;
color:black;mso-font-kerning:0pt;mso-fareast-language:ZH-CN'>进ࠣ=
7;敷铜的状态后,系统&=
#23558;会弹出<span
lang=3DEN-US> Polygon Plane </span>(敷铜属性=
)设置对话框,如图<sp=
an
lang=3DEN-US> 7-9 </span>所示。</span><span lang=3DEN-US
style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-family:PMingLiU;
color:black;mso-font-kerning:0pt'> <o:p></o:p></span></p>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center;mso-line-hei=
ght-alt:
1.0pt;mso-pagination:widow-orphan'><span lang=3DEN-US style=3D'font-size:10=
.5pt;
font-family:SimSun;mso-bidi-font-family:PMingLiU;color:black;mso-font-kerni=
ng:
0pt'><!--[if gte vml 1]><v:shape id=3D"_x0000_i1037" type=3D"#_x0000_t75" a=
lt=3D""
style=3D'width:387.75pt;height:291.75pt'>
<v:imagedata src=3D"file1431.files/image011.jpg" o:href=3D"http://eda.sded=
u.net/study/ProtelDxp/protel_6_clip_image022.jpg"/>
</v:shape><![endif]--><![if !vml]><img width=3D517 height=3D389
src=3D"file1431.files/image011.jpg" v:shapes=3D"_x0000_i1037"><![endif]><o:=
p></o:p></span></p>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center;mso-line-hei=
ght-alt:
1.0pt;mso-pagination:widow-orphan'><span style=3D'font-size:10.5pt;font-fam=
ily:
SimSun;mso-bidi-font-family:PMingLiU;color:black;mso-font-kerning:0pt;
mso-fareast-language:ZH-CN'>图<span lang=3DEN-US> 7-9 </span>敷=
铜属性设置对话框</span><span
lang=3DEN-US style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-fam=
ily:
PMingLiU;color:black;mso-font-kerning:0pt'> <o:p></o:p></span></p>
<p class=3DMsoNormal style=3D'mso-line-height-alt:1.0pt;mso-pagination:wido=
w-orphan'><span
style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-family:PMingLiU;
color:black;mso-font-kerning:0pt;mso-fareast-language:ZH-CN'>在ਥ=
5;铜属性设置对话框中&=
#65292;有如下几项设置:</sp=
an><span
lang=3DEN-US style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-fam=
ily:
PMingLiU;color:black;mso-font-kerning:0pt'> <o:p></o:p></span></p>
<p class=3DMsoNormal style=3D'mso-line-height-alt:1.0pt;mso-pagination:wido=
w-orphan'><span
lang=3DEN-US style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-fam=
ily:
PMingLiU;color:black;mso-font-kerning:0pt;mso-fareast-language:ZH-CN'>χ=
9;
Surround Pads With </span><span style=3D'font-size:10.5pt;font-family:SimSu=
n;
mso-bidi-font-family:PMingLiU;color:black;mso-font-kerning:0pt;mso-fareast-=
language:
ZH-CN'>复选项:用于设置=
975;铜环绕焊盘的方式。=
;有两种方式可供选择&#=
65306;<span
lang=3DEN-US> Arcs </span>(圆周环绕)&=
#26041;式和<span
lang=3DEN-US> Octagons </span>(八角形环ń=
69;)方式。两种环绕方=
式分别如图<span
lang=3DEN-US> 7-10 </span>和图<span lang=3DEN-US> 7-11 </span>&=
#25152;示。</span><span
lang=3DEN-US style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-fam=
ily:
PMingLiU;color:black;mso-font-kerning:0pt'> <o:p></o:p></span></p>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center;mso-line-hei=
ght-alt:
1.0pt;mso-pagination:widow-orphan'><span lang=3DEN-US style=3D'font-size:10=
.5pt;
font-family:SimSun;mso-bidi-font-family:PMingLiU;color:black;mso-font-kerni=
ng:
0pt'><!--[if gte vml 1]><v:shape id=3D"_x0000_i1038" type=3D"#_x0000_t75" a=
lt=3D""
style=3D'width:121.5pt;height:89.25pt'>
<v:imagedata src=3D"file1431.files/image012.jpg" o:href=3D"http://eda.sded=
u.net/study/ProtelDxp/protel_6_clip_image024.jpg"/>
</v:shape><![endif]--><![if !vml]><img width=3D162 height=3D119
src=3D"file1431.files/image012.jpg" v:shapes=3D"_x0000_i1038"><![endif]></s=
pan><span
lang=3DEN-US style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-fam=
ily:
PMingLiU;color:black;mso-font-kerning:0pt;mso-fareast-language:ZH-CN'><span
style=3D'mso-spacerun:yes'> =
</span></span><span lang=3DEN-US style=3D'font-size:10.5pt;font-family:SimS=
un;
mso-bidi-font-family:PMingLiU;color:black;mso-font-kerning:0pt'><!--[if gte=
vml 1]><v:shape
id=3D"_x0000_i1039" type=3D"#_x0000_t75" alt=3D"" style=3D'width:122.25pt;=
height:89.25pt'>
<v:imagedata src=3D"file1431.files/image013.jpg" o:href=3D"http://eda.sded=
u.net/study/ProtelDxp/protel_6_clip_image026.jpg"/>
</v:shape><![endif]--><![if !vml]><img width=3D163 height=3D119
src=3D"file1431.files/image013.jpg" v:shapes=3D"_x0000_i1039"><![endif]><o:=
p></o:p></span></p>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center;mso-line-hei=
ght-alt:
1.0pt;mso-pagination:widow-orphan'><span style=3D'font-size:10.5pt;font-fam=
ily:
SimSun;mso-bidi-font-family:PMingLiU;color:black;mso-font-kerning:0pt;
mso-fareast-language:ZH-CN'>图<span lang=3DEN-US> 7-10 </span>圆=
;周环绕方式<span
lang=3DEN-US><span
style=3D'mso-spacerun:yes'> =
</span></span>图<span lang=3DEN-US> 7-11 </span>八角ô=
18;环绕方式</span><span
lang=3DEN-US style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-fam=
ily:
PMingLiU;color:black;mso-font-kerning:0pt'><o:p></o:p></span></p>
<p class=3DMsoNormal style=3D'mso-line-height-alt:1.0pt;mso-pagination:wido=
w-orphan'><span
lang=3DEN-US style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-fam=
ily:
PMingLiU;color:black;mso-font-kerning:0pt;mso-fareast-language:ZH-CN'>χ=
9;
Grid Size </span><span style=3D'font-size:10.5pt;font-family:SimSun;mso-bid=
i-font-family:
PMingLiU;color:black;mso-font-kerning:0pt;mso-fareast-language:ZH-CN'>ʍ=
06;用于设置敷铜使用的=
网格的宽度。</span><span
lang=3DEN-US style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-fam=
ily:
PMingLiU;color:black;mso-font-kerning:0pt'> <o:p></o:p></span></p>
<p class=3DMsoNormal style=3D'mso-line-height-alt:1.0pt;mso-pagination:wido=
w-orphan'><span
lang=3DEN-US style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-fam=
ily:
PMingLiU;color:black;mso-font-kerning:0pt;mso-fareast-language:ZH-CN'>χ=
9;
Track Width </span><span style=3D'font-size:10.5pt;font-family:SimSun;mso-b=
idi-font-family:
PMingLiU;color:black;mso-font-kerning:0pt;mso-fareast-language:ZH-CN'>ʍ=
06;用于设置敷铜使用的=
导线的宽度。</span><span
lang=3DEN-US style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-fam=
ily:
PMingLiU;color:black;mso-font-kerning:0pt'> <o:p></o:p></span></p>
<p class=3DMsoNormal style=3D'mso-line-height-alt:1.0pt;mso-pagination:wido=
w-orphan'><span
lang=3DEN-US style=3D'font-size:10.5pt;font-family:SimSun;mso-bidi-font-fam=
ily:
PMingLiU;color:black;mso-font-kerning:0pt;mso-fareast-language:ZH-CN'>χ=
9;
Hatching Style </span><span style=3D'font-size:10.5pt;font-family:SimSun;
mso-bidi-font-family:PMingLiU;color:black;mso-font-kernin
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