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APRIL 2020 I SMT007 MAGAZINE 43 In this roadmap, the enabling smart manu- facturing technologies are referred to as hori- zontal topics that span across the electronics industry manufacturing segments: security, data flow architecture, and digital building blocks (AI, ML, and digital twin). The three electronics manufacturing indus- try segments SEMI, OSAT, and PCBA share some common challenges: • Responding to rapidly changing, complex business requirements • Managing increasing factory complexity • Achieving financial growth targets while margins are declining • Meeting factory and equipment reliability, capability, productivity, and cost requirements • Leveraging factory integration technologies across industry segment boundaries • Meeting the flexibility, extendibility, and scalability needs of a leading-edge factory • Increasing global restrictions on environmental issues These challenges are increasing the demand to deploy, enabling smart manufacturing solu- tions that can be leveraged across the verticals. Enabling Smart Manufacturing Technologies (Horizontal Topics): Situation Analysis Many of the challenges may be addressed by several enabling smart manufacturing technol- ogies (horizontal topics) that span across the electronics industry manufacturing segments: security, data flow, and digital building blocks. The key needs for these are discussed as re- lated to the different vertical segments (SEMI, OSAT, and PCBA) and the intersection between the vertical segments. Members of the smart manufacturing TWG presented the attribute needs for the follow- ing: security, data flow, digital building blocks, and digital twin. Common across the vertical segments is the ability to develop and deploy the appropriate solutions that allow the abil- ity to manufacture products at low cost and high volume. Smart manufacturing is consid- ered a journey that will require hyper-focus to ensure the appropriate technology foundation is established. The enabling horizontal topics are the ones that are considered the most im- portant to build a strong, agile, and scalable foundation. Security Security is discussed in terms of two classes: physical and digital. The tools and protocols deployed for security is an increasingly impor- tant topic that spans across many industries and is not specific only to the electronics man- ufacturing industry. Security is meant to pro- tect a number of important assets and system attributes that may vary according to the pro- cess (novel and strong competitive advantage) and perceived intrinsic value of the intellectual property (IP). In some instances, it directly addresses the safety of workers, equipment, and the man- ufacturing process. In other cases, it transi- tions toward the protection of electronic asset forms, such as design documents, bill of mate- rials, process, business data, and others. A few key considerations for security are access con- trol [2] , data control [3] , input validation, process confidentiality, and system integrity [2] . At the moment in manufacturing, in gener- al, IT security issues are often only raised re- actively once the development process is over and specific security-related problems have al- ready occurred. However, such belated imple- mentation of security solutions is both costly and also often fails to deliver a reliable solu- tion to the relevant problem. Consequently, it is deemed necessary to take a comprehensive approach as a process, including implementa- tion of security threat identification and risk analysis and mitigation cycles on security chal- lenges. Data Flow General factory operations and manufactur- ing technologies (i.e., process, test, and in- spection) and the supporting hardware and software are evolving quickly; the ability to transmit and store increasing volume of data for analytics (AI, ML, predictive) is accelerat- ing. Also, the advent and subsequent growth