翻譯資格考試中級英語筆譯詞匯：工程設計
i) PAR (Produceability Analysis Report) 可制作性評審報告
·Receives customers board design data in a “Gerber” electronic format(i.e. board dimensions, hole sizes and count, layer order, special requirements)
收到客戶設計線路板光繪文件(包括板的參數(shù)、孔徑大小和數(shù)量、層命令、特殊要求)
·Identification and Registration of layers 鑒別和定義層
·Runs Design Rule Inspection to identify concems which may impact manufacturability of board.
應用DRC檢查確定涉及到制作能力的參數(shù)
Sample Manufacturing Restrictions 生產(chǎn)能力限制
Minimum PTH Diameter 最小金屬化孔孔徑：0.010”
Minimum CU-CU Spacing 最小銅與銅間距：0.005”
Minimum Trace Width 最小線寬：0.005”
Minimum Annular Ring 最小環(huán)寬：0.0075
Minimum Solder Mask Dam 最小阻焊橋：0.004”
·Identify manufacturability enhancements to be made (i.e. teardropping, plane clipping)
通過加輔助性設計提高可制作性(如淚滴、板編輯等)
·Forward Gerber data to sub contractor for generation of netlist and electrical test fixture
對照光繪文件數(shù)據(jù)產(chǎn)生網(wǎng)絡和電測夾具
ii) Product Engineering 工程制作
·Customer specification review 客戶資料檢查
·Determination of stack-up for lamination 確定層壓結(jié)構(gòu)
·Determination of the Manufacturing Process(Job Planning) 確定制作流程
·Release Job to the floor with corresponding Flow Sheet
通過流程單釋放指示
·Controlled impedance calculations 阻抗控制計算
iii) CAM(Computer Aided Manufacturing) CAM計算機輔助制造
·“Perfect” digital artwork panelization and alignment優(yōu)化底片尺寸和定位
·1-UP edits, in-house customer correction and improvements with respect to manufacturing tolerances.(i.e.teardropping)
根據(jù)客戶要求修正文件，通過添加輔助設計降低生產(chǎn)制造難(如淚滴)
·Addition of date code, UL vendor code. 增加制造日期，公司UL標記等
·Uses Gerber files generated at PAR應用光繪文件完成可制作性分析評審報告
·Step and Repeat for panelization(per quotation) 分步和再現(xiàn)拼板
·Addition of test coupons to panels 添加測試付聯(lián)條
Creates the following programs 制作以下流程：
Artwork plotting 光繪程序
Drilling program 鉆孔程序
AOI(Automatic Optical Inspection) AOI文件
Routing program 外形程序
Scoring program
iv) Photoplotting 激光光繪
·The artwork or phototool is plotted from the panelized Gerber data created in CAM
光繪機從處理好的光繪文件繪制底片
·Laser Photoplotter-0.00025”resoluteion 激光光繪機光繪極限0.0025英寸
·Silver halide emulsion (silver shot) 銀鹽片制作
·Diazo copies for some processes 重氮復片
·Positive and negative artworks depending on usage
根據(jù)不同的勝任決定底片的正負性
·Artwork is punched with tooling holes with camera-target system
通過攝像標靶系統(tǒng)定位沖出底片上的工具孔
·Visual inspection for detects 目測檢驗開路
·Clean Room conditions(class 10,000)with controlled Temperature(20℃)and Relative Humidity(50%)
菲林潔凈房的潔凈度(10000級)，溫度(20℃)和相對濕度(50%)
·Artwork must be generated and used in same environment
工作底片在制作和使用應在同親環(huán)境
·Vertical film storage 重直保存底片
·Surface area calculations for plating 電鍍面積計算
