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From: "bichengpcb20@163.com" <bichengpcb20@163.com>
To: info@autozone.com.sa
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Subject: ***SPAM*** High Frequency PCB Made on Rogers AD1000 | AD1000 RF PCB

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<html><head>
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Impedance controlled PCB<span style=&#39;background: rgb(255, 255, 255); color: rgb(0, 0, 0); font-family: 宋体; font-size: 10.5pt; mso-spacerun: "yes"; mso-font-kerning: 0.0000pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-shading: rgb(255, 255, 255);&#39;>Hi,Signal transmission in the circuit board&nbsp;is expected to be smoothly transmitted from the sending end to the receiving end under the condition of minimum energy loss, and the receiving end can completely absorbs it without any reflection.&nbsp;This kind of transmission&nbsp;is achieved by impedance control.&nbsp;<span style=&#39;font-family: Arial; font-size: 10.5pt; font-weight: bold; text-decoration: underline; mso-spacerun: "yes"; mso-fareast-font-family: 宋体; mso-font-kerning: 0.0000pt; text-underline: single;&#39;>The basic elements that affect impedance&nbsp; <span style=&#39;color: rgb(0, 0, 0); font-family: 宋体; font-size: 10.5pt; font-weight: bold; mso-spacerun: "yes"; mso-font-kerning: 0.0000pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;&#39;>a) Thickness of trace (T1) 7%&nbsp; <span style=&#39;color: rgb(0, 0, 0); font-family: 宋体; font-size: 10.5pt; font-weight: bold; mso-spacerun: "yes"; mso-font-kerning: 0.0000pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;&#39;>b)<span style=&#39;color: rgb(0, 0, 0); font-family: 宋体; font-size: 10.5pt; mso-spacerun: "yes"; mso-font-kerning: 0.0000pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;&#39;>&nbsp;Width of trace (W1) 4%&nbsp; <span style=&#39;color: rgb(0, 0, 0); font-family: 宋体; font-size: 10.5pt; font-weight: bold; mso-spacerun: "yes"; mso-font-kerning: 0.0000pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;&#39;>c) Height of laminate (H1) 35%&nbsp; <span style=&#39;color: rgb(0, 0, 0); font-family: 宋体; font-size: 10.5pt; font-weight: bold; mso-spacerun: "yes"; mso-font-kerning: 0.0000pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;&#39;>d) Dielectric constant of board material (Er1) 8%&nbsp;&nbsp;<span style=&#39;font-family: Arial; font-size: 10.5pt; font-weight: bold; text-decoration: underline; mso-spacerun: "yes"; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0000pt; text-underline: single;&#39;>The classification of characteristic impedance<ol style="list-style-type: lower-alpha; direction: ltr;"><li style="color: rgb(0, 0, 0); font-family: Arial; font-size: 10.5pt; font-style: normal; font-weight: normal;"><p style="color: rgb(0, 0, 0); font-family: 宋体; font-size: 12pt; font-style: normal; font-weight: normal; margin-top: 1em; margin-bottom: 1em; mso-line-height-alt: 12pt; mso-char-indent-count: 0.0000; mso-list: l0 level1 lfo1;">Single ended (line) impedance</li><li style="color: rgb(0, 0, 0); font-family: Arial; font-size: 10.5pt; font-style: normal; font-weight: normal;"><p style="color: rgb(0, 0, 0); font-family: 宋体; font-size: 12pt; font-style: normal; font-weight: normal; margin-top: 1em; margin-bottom: 1em; mso-line-height-alt: 12pt; mso-char-indent-count: 0.0000; mso-list: l0 level1 lfo1;">Differential impedance</li><li style="color: rgb(0, 0, 0); font-family: Arial; font-size: 10.5pt; font-style: normal; font-weight: normal;"><p style="color: rgb(0, 0, 0); font-family: 宋体; font-size: 12pt; font-style: normal; font-weight: normal; margin-top: 1em; margin-bottom: 1em; mso-line-height-alt: 12pt; mso-char-indent-count: 0.0000; mso-list: l0 level1 lfo1;">Coplanar impedance</li></ol>&nbsp;<span style=&#39;color: rgb(0, 0, 0); font-family: 宋体; font-size: 10.5pt; font-weight: bold; text-decoration: underline; mso-spacerun: "yes"; mso-font-kerning: 0.0000pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; text-underline: single;&#39;>PCB Service<ol style="list-style-type: lower-alpha; direction: ltr;"><li style="color: rgb(0, 0, 0); font-family: Arial; font-size: 10.5pt; font-style: normal; font-weight: normal;"><span style=&#39;color: rgb(0, 0, 0); font-family: 宋体; font-size: 10.5pt; mso-spacerun: "yes"; mso-font-kerning: 0.0000pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;&#39;>Prototypes, Small runs and mass production supply</li><li style="color: rgb(0, 0, 0); font-family: Arial; font-size: 10.5pt; font-style: normal; font-weight: normal;"><span style=&#39;color: rgb(0, 0, 0); font-family: 宋体; font-size: 10.5pt; mso-spacerun: "yes"; mso-font-kerning: 0.0000pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;&#39;>2-32 layers</li><li style="color: rgb(0, 0, 0); font-family: Arial; font-size: 10.5pt; font-style: normal; font-weight: normal;"><span style=&#39;color: rgb(0, 0, 0); font-family: 宋体; font-size: 10.5pt; mso-spacerun: "yes"; mso-font-kerning: 0.0000pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;&#39;>Various surface finish: HASL, Immersion gold, Immersion tin, Immersion silver, OSP</li><li style="color: rgb(0, 0, 0); font-family: Arial; font-size: 10.5pt; font-style: normal; font-weight: normal;"><span style=&#39;color: rgb(0, 0, 0); font-family: 宋体; font-size: 10.5pt; mso-spacerun: "yes"; mso-font-kerning: 0.0000pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;&#39;>Various solder mask: Green, Blue, Matt blue, Red, Yellow, Black, Matt black, White</li><li style="color: rgb(0, 0, 0); font-family: Arial; font-size: 10.5pt; font-style: normal; font-weight: normal;"><span style=&#39;color: rgb(0, 0, 0); font-family: 宋体; font-size: 10.5pt; mso-spacerun: "yes"; mso-font-kerning: 0.0000pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;&#39;>Various technics: BGA, Blind via, Edge plated castellation, Press fit holes&nbsp;</li></ol><span style=&#39;color: rgb(34, 34, 34); font-family: 宋体; font-size: 10.5pt; font-weight: bold; text-decoration: underline; mso-spacerun: "yes"; mso-font-kerning: 1.0000pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; text-underline: single;&#39;>Applications: <span style=&#39;background: rgb(255, 255, 255); color: rgb(0, 0, 0); font-family: Arial; font-size: 10.5pt; mso-spacerun: "yes"; mso-fareast-font-family: 宋体; mso-font-kerning: 0.0000pt; mso-shading: rgb(255, 255, 255);&#39;>Synchronous digital hierarchy (SDH),<span style=&#39;background: rgb(255, 255, 255); color: rgb(0, 0, 0); font-family: Arial; font-size: 10.5pt; mso-spacerun: "yes"; mso-fareast-font-family: 宋体; mso-font-kerning: 0.0000pt; mso-shading: rgb(255, 255, 255);&#39;>GSM, CDMA, PC and high power wireless phone etc. If you have requirement on the impedance controlled&nbsp;PCB&#39;s, please simply reply back to this email by your gerber files and we will get back to you ASAP.&nbsp; RegardsJane Shi&nbsp;| Business developmentBicheng PCB&nbsp;&nbsp;|&nbsp; <a href="http://www.highfrequencypcb.com/">www.highfrequencypcb.com</a>&nbsp;| Material partners: Rogers, Taconic, ITEQ, SHENGYI, TAIYO, KUANGSHUN If you do not want to receive emails from Bicheng about marketing communications and special offers, reply as “remove” in the subject line.

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