Low Emission Semiconductor Processing Market Analysis and Forecast to 2035: Type, Product, Services, Technology, Component, Application, Material Type, Device, Process, End User

Description

Low Emission Semiconductor Processing Market is anticipated to expand from $594 million in 2024 to $939.4 million by 2034, growing at a CAGR of approximately 4.69%. The Low Emission Semiconductor Processing Market encompasses technologies and methods aimed at minimizing environmental impact during semiconductor manufacturing. This includes advanced materials, energy-efficient equipment, and waste reduction strategies. As the demand for semiconductors rises, driven by AI, IoT, and 5G, the industry faces pressure to adopt sustainable practices. Innovations in this market focus on reducing greenhouse gas emissions and resource consumption, aligning with global sustainability goals and regulatory requirements.

The Low Emission Semiconductor Processing Market is poised for significant growth, driven by the increasing demand for sustainable manufacturing practices. Within this domain, the equipment segment emerges as a top performer, with etching and deposition tools leading due to their critical role in reducing emissions. Advanced cleaning technologies follow closely, reflecting the industry's commitment to minimizing environmental impact. The materials segment, focusing on eco-friendly chemicals and gases, is also gaining momentum, driven by stringent regulatory standards and the push for greener processes.

Market Segmentation
Type	Chemical Vapor Deposition, Physical Vapor Deposition, Atomic Layer Deposition, Epitaxy
Product	Wafer Processing Equipment, Deposition Equipment, Etching Equipment, Cleaning Equipment, Metrology Equipment
Services	Installation Services, Maintenance Services, Consulting Services, Upgradation Services
Technology	Plasma-Enhanced, Thermal, Laser-Assisted, Low-Pressure
Component	Chambers, Reactors, Gas Flow Controllers, Power Supplies
Application	Integrated Circuits, Memory Devices, Microprocessors, Optoelectronics, Power Devices, Sensors
Material Type	Silicon, Gallium Arsenide, Silicon Carbide, Gallium Nitride
Device	Transistors, Diodes, Capacitors, Resistors
Process	Etching, Doping, Lithography, Planarization
End User	Semiconductor Manufacturers, Foundries, IDMs (Integrated Device Manufacturers), Research Institutions

The sub-segment of eco-friendly etching solutions is anticipated to witness robust performance, spurred by technological advancements and cost efficiency. Similarly, the market for low global warming potential (GWP) gases is expanding, as manufacturers seek sustainable alternatives to traditional process gases. Innovations in abatement systems are further catalyzing market growth, offering lucrative opportunities for stakeholders. The industry's focus on energy-efficient solutions and waste reduction continues to drive advancements, promising a sustainable future for semiconductor processing.

The Low Emission Semiconductor Processing Market is characterized by a dynamic landscape of market share distribution, innovative pricing strategies, and a flurry of new product launches. Industry leaders are focusing on sustainable practices, driving the demand for low emission solutions. The market is witnessing a shift towards environmentally friendly technologies, which is influencing pricing and product development strategies. Companies are launching cutting-edge products that adhere to stringent emission standards, catering to the growing demand for sustainable semiconductor processing solutions.

Competition in this market is intense, with key players striving for technological superiority and cost efficiency. Regulatory influences play a pivotal role, especially in regions like Europe and North America, where emissions standards are stringent. These regulations are shaping competitive strategies, compelling companies to innovate and adapt. Benchmarking against competitors reveals a trend towards increased R&D investments and strategic partnerships. The market is poised for growth, driven by advancements in semiconductor technology and the global push for sustainability.

Geographical Overview:

The Low Emission Semiconductor Processing Market is witnessing notable growth across diverse regions, each characterized by unique opportunities. North America remains at the forefront, propelled by stringent environmental regulations and a robust semiconductor manufacturing base. The region's commitment to sustainable practices is fostering innovation in low emission technologies. Europe follows suit, with an emphasis on green manufacturing processes and substantial government support for eco-friendly initiatives. The European Union's focus on reducing carbon footprints is driving advancements in semiconductor processing. In the Asia Pacific, rapid industrialization and increasing demand for electronics are catalyzing market expansion. China and India are emerging as key players, investing heavily in sustainable semiconductor technologies. Their burgeoning electronics sectors present lucrative opportunities for growth. Meanwhile, Latin America and the Middle East & Africa are nascent markets with growing interest. Brazil and the UAE are recognizing the potential of low emission technologies to enhance competitiveness and sustainability in their semiconductor industries.

Key Trends and Drivers:

The Low Emission Semiconductor Processing Market is experiencing notable growth fueled by stringent environmental regulations and the semiconductor industry's push for sustainability. As governments worldwide implement stricter emission standards, companies are compelled to adopt low-emission technologies, driving market expansion. Technological advancements in semiconductor processing equipment are also contributing to reduced emissions, enhancing energy efficiency and reducing the carbon footprint. One prominent trend is the increasing adoption of green manufacturing practices, including the use of eco-friendly materials and waste reduction techniques. This shift is driven by both regulatory pressures and growing consumer demand for sustainable electronics. Furthermore, the rise of the Internet of Things (IoT) and 5G technologies is expanding the semiconductor market, necessitating more efficient and environmentally friendly processing solutions. The market is also influenced by the growing awareness of climate change and the need for sustainable industrial practices. Companies are investing in research and development to innovate low-emission processes, creating lucrative opportunities for market players. Additionally, collaborations between semiconductor manufacturers and environmental organizations are fostering the development of industry standards and best practices, further propelling market growth.

US Tariff Impact:

The Low Emission Semiconductor Processing Market is increasingly influenced by global tariffs, geopolitical risks, and evolving supply chain dynamics. Japan and South Korea are advancing domestic semiconductor capabilities to mitigate reliance on foreign imports, spurred by trade tensions and tariffs. China's strategy focuses on self-sufficiency, investing heavily in indigenous semiconductor technologies to counteract export restrictions. Taiwan, pivotal in semiconductor manufacturing, navigates geopolitical complexities, maintaining its strategic importance amid US-China tensions. Globally, the parent semiconductor market experiences robust growth, driven by demand for energy-efficient technologies. By 2035, market evolution will hinge on technological innovation and resilient supply chains. Middle East conflicts could exacerbate energy price volatility, influencing production costs and supply chain stability, underscoring the necessity for diversified energy sources and strategic alliances.

Key Players:

Aixtron, Lam Research, ASM International, Tokyo Electron, Veeco Instruments, Applied Materials, Kokusai Electric, Ultratech, Nova Measuring Instruments, Camtek, Advanced Energy Industries, Onto Innovation, Plasma-Therm, Oxford Instruments, SPTS Technologies, Horiba, Edwards Vacuum, MKS Instruments, Renishaw, LPE

Research Scope:

Estimates and forecasts the overall market size across type, application, and region.
Provides detailed information and key takeaways on qualitative and quantitative trends, dynamics, business framework, competitive landscape, and company profiling.
Identifies factors influencing market growth and challenges, opportunities, drivers, and restraints.
Identifies factors that could limit company participation in international markets to help calibrate market share expectations and growth rates.
Evaluates key development strategies like acquisitions, product launches, mergers, collaborations, business expansions, agreements, partnerships, and R&D activities.
Analyzes smaller market segments strategically, focusing on their potential, growth patterns, and impact on the overall market.
Outlines the competitive landscape, assessing business and corporate strategies to monitor and dissect competitive advancements.

Our research scope provides comprehensive market data, insights, and analysis across a variety of critical areas. We cover Local Market Analysis, assessing consumer demographics, purchasing behaviors, and market size within specific regions to identify growth opportunities. Our Local Competition Review offers a detailed evaluation of competitors, including their strengths, weaknesses, and market positioning. We also conduct Local Regulatory Reviews to ensure businesses comply with relevant laws and regulations. Industry Analysis provides an in-depth look at market dynamics, key players, and trends. Additionally, we offer Cross-Segmental Analysis to identify synergies between different market segments, as well as Production-Consumption and Demand-Supply Analysis to optimize supply chain efficiency. Our Import-Export Analysis helps businesses navigate global trade environments by evaluating trade flows and policies. These insights empower clients to make informed strategic decisions, mitigate risks, and capitalize on market opportunities.

Product Code: GIS10651

1 Executive Summary

1.1 Market Size and Forecast
1.2 Market Overview
1.3 Market Snapshot
1.4 Regional Snapshot
1.5 Strategic Recommendations
1.6 Analyst Notes

2 Market Highlights

2.1 Key Market Highlights by Type
2.2 Key Market Highlights by Product
2.3 Key Market Highlights by Services
2.4 Key Market Highlights by Technology
2.5 Key Market Highlights by Component
2.6 Key Market Highlights by Application
2.7 Key Market Highlights by Material Type
2.8 Key Market Highlights by Device
2.9 Key Market Highlights by Process
2.10 Key Market Highlights by End User

3 Market Dynamics

3.1 Macroeconomic Analysis
3.2 Market Trends
3.3 Market Drivers
3.4 Market Opportunities
3.5 Market Restraints
3.6 CAGR Growth Analysis
3.7 Impact Analysis
3.8 Emerging Markets
3.9 Technology Roadmap
3.10 Strategic Frameworks
- 3.10.1 PORTER's 5 Forces Model
- 3.10.2 ANSOFF Matrix
- 3.10.3 4P's Model
- 3.10.4 PESTEL Analysis

4 Segment Analysis

4.1 Market Size & Forecast by Type (2020-2035)
- 4.1.1 Chemical Vapor Deposition
- 4.1.2 Physical Vapor Deposition
- 4.1.3 Atomic Layer Deposition
- 4.1.4 Epitaxy
4.2 Market Size & Forecast by Product (2020-2035)
- 4.2.1 Wafer Processing Equipment
- 4.2.2 Deposition Equipment
- 4.2.3 Etching Equipment
- 4.2.4 Cleaning Equipment
- 4.2.5 Metrology Equipment
4.3 Market Size & Forecast by Services (2020-2035)
- 4.3.1 Installation Services
- 4.3.2 Maintenance Services
- 4.3.3 Consulting Services
- 4.3.4 Upgradation Services
4.4 Market Size & Forecast by Technology (2020-2035)
- 4.4.1 Plasma-Enhanced
- 4.4.2 Thermal
- 4.4.3 Laser-Assisted
- 4.4.4 Low-Pressure
4.5 Market Size & Forecast by Component (2020-2035)
- 4.5.1 Chambers
- 4.5.2 Reactors
- 4.5.3 Gas Flow Controllers
- 4.5.4 Power Supplies
4.6 Market Size & Forecast by Application (2020-2035)
- 4.6.1 Integrated Circuits
- 4.6.2 Memory Devices
- 4.6.3 Microprocessors
- 4.6.4 Optoelectronics
- 4.6.5 Power Devices
- 4.6.6 Sensors
4.7 Market Size & Forecast by Material Type (2020-2035)
- 4.7.1 Silicon
- 4.7.2 Gallium Arsenide
- 4.7.3 Silicon Carbide
- 4.7.4 Gallium Nitride
4.8 Market Size & Forecast by Device (2020-2035)
- 4.8.1 Transistors
- 4.8.2 Diodes
- 4.8.3 Capacitors
- 4.8.4 Resistors
4.9 Market Size & Forecast by Process (2020-2035)
- 4.9.1 Etching
- 4.9.2 Doping
- 4.9.3 Lithography
- 4.9.4 Planarization
4.10 Market Size & Forecast by End User (2020-2035)
- 4.10.1 Semiconductor Manufacturers
- 4.10.2 Foundries
- 4.10.3 IDMs (Integrated Device Manufacturers)
- 4.10.4 Research Institutions

5 Regional Analysis

5.1 Global Market Overview
5.2 North America Market Size (2020-2035)
- 5.2.1 United States
  - 5.2.1.1 Type
  - 5.2.1.2 Product
  - 5.2.1.3 Services
  - 5.2.1.4 Technology
  - 5.2.1.5 Component
  - 5.2.1.6 Application
  - 5.2.1.7 Material Type
  - 5.2.1.8 Device
  - 5.2.1.9 Process
  - 5.2.1.10 End User
- 5.2.2 Canada
  - 5.2.2.1 Type
  - 5.2.2.2 Product
  - 5.2.2.3 Services
  - 5.2.2.4 Technology
  - 5.2.2.5 Component
  - 5.2.2.6 Application
  - 5.2.2.7 Material Type
  - 5.2.2.8 Device
  - 5.2.2.9 Process
  - 5.2.2.10 End User
- 5.2.3 Mexico
  - 5.2.3.1 Type
  - 5.2.3.2 Product
  - 5.2.3.3 Services
  - 5.2.3.4 Technology
  - 5.2.3.5 Component
  - 5.2.3.6 Application
  - 5.2.3.7 Material Type
  - 5.2.3.8 Device
  - 5.2.3.9 Process
  - 5.2.3.10 End User
5.3 Latin America Market Size (2020-2035)
- 5.3.1 Brazil
  - 5.3.1.1 Type
  - 5.3.1.2 Product
  - 5.3.1.3 Services
  - 5.3.1.4 Technology
  - 5.3.1.5 Component
  - 5.3.1.6 Application
  - 5.3.1.7 Material Type
  - 5.3.1.8 Device
  - 5.3.1.9 Process
  - 5.3.1.10 End User
- 5.3.2 Argentina
  - 5.3.2.1 Type
  - 5.3.2.2 Product
  - 5.3.2.3 Services
  - 5.3.2.4 Technology
  - 5.3.2.5 Component
  - 5.3.2.6 Application
  - 5.3.2.7 Material Type
  - 5.3.2.8 Device
  - 5.3.2.9 Process
  - 5.3.2.10 End User
- 5.3.3 Rest of Latin America
  - 5.3.3.1 Type
  - 5.3.3.2 Product
  - 5.3.3.3 Services
  - 5.3.3.4 Technology
  - 5.3.3.5 Component
  - 5.3.3.6 Application
  - 5.3.3.7 Material Type
  - 5.3.3.8 Device
  - 5.3.3.9 Process
  - 5.3.3.10 End User
5.4 Asia-Pacific Market Size (2020-2035)
- 5.4.1 China
  - 5.4.1.1 Type
  - 5.4.1.2 Product
  - 5.4.1.3 Services
  - 5.4.1.4 Technology
  - 5.4.1.5 Component
  - 5.4.1.6 Application
  - 5.4.1.7 Material Type
  - 5.4.1.8 Device
  - 5.4.1.9 Process
  - 5.4.1.10 End User
- 5.4.2 India
  - 5.4.2.1 Type
  - 5.4.2.2 Product
  - 5.4.2.3 Services
  - 5.4.2.4 Technology
  - 5.4.2.5 Component
  - 5.4.2.6 Application
  - 5.4.2.7 Material Type
  - 5.4.2.8 Device
  - 5.4.2.9 Process
  - 5.4.2.10 End User
- 5.4.3 South Korea
  - 5.4.3.1 Type
  - 5.4.3.2 Product
  - 5.4.3.3 Services
  - 5.4.3.4 Technology
  - 5.4.3.5 Component
  - 5.4.3.6 Application
  - 5.4.3.7 Material Type
  - 5.4.3.8 Device
  - 5.4.3.9 Process
  - 5.4.3.10 End User
- 5.4.4 Japan
  - 5.4.4.1 Type
  - 5.4.4.2 Product
  - 5.4.4.3 Services
  - 5.4.4.4 Technology
  - 5.4.4.5 Component
  - 5.4.4.6 Application
  - 5.4.4.7 Material Type
  - 5.4.4.8 Device
  - 5.4.4.9 Process
  - 5.4.4.10 End User
- 5.4.5 Australia
  - 5.4.5.1 Type
  - 5.4.5.2 Product
  - 5.4.5.3 Services
  - 5.4.5.4 Technology
  - 5.4.5.5 Component
  - 5.4.5.6 Application
  - 5.4.5.7 Material Type
  - 5.4.5.8 Device
  - 5.4.5.9 Process
  - 5.4.5.10 End User
- 5.4.6 Taiwan
  - 5.4.6.1 Type
  - 5.4.6.2 Product
  - 5.4.6.3 Services
  - 5.4.6.4 Technology
  - 5.4.6.5 Component
  - 5.4.6.6 Application
  - 5.4.6.7 Material Type
  - 5.4.6.8 Device
  - 5.4.6.9 Process
  - 5.4.6.10 End User
- 5.4.7 Rest of APAC
  - 5.4.7.1 Type
  - 5.4.7.2 Product
  - 5.4.7.3 Services
  - 5.4.7.4 Technology
  - 5.4.7.5 Component
  - 5.4.7.6 Application
  - 5.4.7.7 Material Type
  - 5.4.7.8 Device
  - 5.4.7.9 Process
  - 5.4.7.10 End User
5.5 Europe Market Size (2020-2035)
- 5.5.1 Germany
  - 5.5.1.1 Type
  - 5.5.1.2 Product
  - 5.5.1.3 Services
  - 5.5.1.4 Technology
  - 5.5.1.5 Component
  - 5.5.1.6 Application
  - 5.5.1.7 Material Type
  - 5.5.1.8 Device
  - 5.5.1.9 Process
  - 5.5.1.10 End User
- 5.5.2 France
  - 5.5.2.1 Type
  - 5.5.2.2 Product
  - 5.5.2.3 Services
  - 5.5.2.4 Technology
  - 5.5.2.5 Component
  - 5.5.2.6 Application
  - 5.5.2.7 Material Type
  - 5.5.2.8 Device
  - 5.5.2.9 Process
  - 5.5.2.10 End User
- 5.5.3 United Kingdom
  - 5.5.3.1 Type
  - 5.5.3.2 Product
  - 5.5.3.3 Services
  - 5.5.3.4 Technology
  - 5.5.3.5 Component
  - 5.5.3.6 Application
  - 5.5.3.7 Material Type
  - 5.5.3.8 Device
  - 5.5.3.9 Process
  - 5.5.3.10 End User
- 5.5.4 Spain
  - 5.5.4.1 Type
  - 5.5.4.2 Product
  - 5.5.4.3 Services
  - 5.5.4.4 Technology
  - 5.5.4.5 Component
  - 5.5.4.6 Application
  - 5.5.4.7 Material Type
  - 5.5.4.8 Device
  - 5.5.4.9 Process
  - 5.5.4.10 End User
- 5.5.5 Italy
  - 5.5.5.1 Type
  - 5.5.5.2 Product
  - 5.5.5.3 Services
  - 5.5.5.4 Technology
  - 5.5.5.5 Component
  - 5.5.5.6 Application
  - 5.5.5.7 Material Type
  - 5.5.5.8 Device
  - 5.5.5.9 Process
  - 5.5.5.10 End User
- 5.5.6 Rest of Europe
  - 5.5.6.1 Type
  - 5.5.6.2 Product
  - 5.5.6.3 Services
  - 5.5.6.4 Technology
  - 5.5.6.5 Component
  - 5.5.6.6 Application
  - 5.5.6.7 Material Type
  - 5.5.6.8 Device
  - 5.5.6.9 Process
  - 5.5.6.10 End User
5.6 Middle East & Africa Market Size (2020-2035)
- 5.6.1 Saudi Arabia
  - 5.6.1.1 Type
  - 5.6.1.2 Product
  - 5.6.1.3 Services
  - 5.6.1.4 Technology
  - 5.6.1.5 Component
  - 5.6.1.6 Application
  - 5.6.1.7 Material Type
  - 5.6.1.8 Device
  - 5.6.1.9 Process
  - 5.6.1.10 End User
- 5.6.2 United Arab Emirates
  - 5.6.2.1 Type
  - 5.6.2.2 Product
  - 5.6.2.3 Services
  - 5.6.2.4 Technology
  - 5.6.2.5 Component
  - 5.6.2.6 Application
  - 5.6.2.7 Material Type
  - 5.6.2.8 Device
  - 5.6.2.9 Process
  - 5.6.2.10 End User
- 5.6.3 South Africa
  - 5.6.3.1 Type
  - 5.6.3.2 Product
  - 5.6.3.3 Services
  - 5.6.3.4 Technology
  - 5.6.3.5 Component
  - 5.6.3.6 Application
  - 5.6.3.7 Material Type
  - 5.6.3.8 Device
  - 5.6.3.9 Process
  - 5.6.3.10 End User
- 5.6.4 Sub-Saharan Africa
  - 5.6.4.1 Type
  - 5.6.4.2 Product
  - 5.6.4.3 Services
  - 5.6.4.4 Technology
  - 5.6.4.5 Component
  - 5.6.4.6 Application
  - 5.6.4.7 Material Type
  - 5.6.4.8 Device
  - 5.6.4.9 Process
  - 5.6.4.10 End User
- 5.6.5 Rest of MEA
  - 5.6.5.1 Type
  - 5.6.5.2 Product
  - 5.6.5.3 Services
  - 5.6.5.4 Technology
  - 5.6.5.5 Component
  - 5.6.5.6 Application
  - 5.6.5.7 Material Type
  - 5.6.5.8 Device
  - 5.6.5.9 Process
  - 5.6.5.10 End User

6 Market Strategy

6.1 Demand-Supply Gap Analysis
6.2 Trade & Logistics Constraints
6.3 Price-Cost-Margin Trends
6.4 Market Penetration
6.5 Consumer Analysis
6.6 Regulatory Snapshot

7 Competitive Intelligence

7.1 Market Positioning
7.2 Market Share
7.3 Competition Benchmarking
7.4 Top Company Strategies

8 Company Profiles

8.1 Aixtron
- 8.1.1 Overview
- 8.1.2 Product Summary
- 8.1.3 Financial Performance
- 8.1.4 SWOT Analysis
8.2 Lam Research
- 8.2.1 Overview
- 8.2.2 Product Summary
- 8.2.3 Financial Performance
- 8.2.4 SWOT Analysis
8.3 ASM International
- 8.3.1 Overview
- 8.3.2 Product Summary
- 8.3.3 Financial Performance
- 8.3.4 SWOT Analysis
8.4 Tokyo Electron
- 8.4.1 Overview
- 8.4.2 Product Summary
- 8.4.3 Financial Performance
- 8.4.4 SWOT Analysis
8.5 Veeco Instruments
- 8.5.1 Overview
- 8.5.2 Product Summary
- 8.5.3 Financial Performance
- 8.5.4 SWOT Analysis
8.6 Applied Materials
- 8.6.1 Overview
- 8.6.2 Product Summary
- 8.6.3 Financial Performance
- 8.6.4 SWOT Analysis
8.7 Kokusai Electric
- 8.7.1 Overview
- 8.7.2 Product Summary
- 8.7.3 Financial Performance
- 8.7.4 SWOT Analysis
8.8 Ultratech
- 8.8.1 Overview
- 8.8.2 Product Summary
- 8.8.3 Financial Performance
- 8.8.4 SWOT Analysis
8.9 Nova Measuring Instruments
- 8.9.1 Overview
- 8.9.2 Product Summary
- 8.9.3 Financial Performance
- 8.9.4 SWOT Analysis
8.10 Camtek
- 8.10.1 Overview
- 8.10.2 Product Summary
- 8.10.3 Financial Performance
- 8.10.4 SWOT Analysis
8.11 Advanced Energy Industries
- 8.11.1 Overview
- 8.11.2 Product Summary
- 8.11.3 Financial Performance
- 8.11.4 SWOT Analysis
8.12 Onto Innovation
- 8.12.1 Overview
- 8.12.2 Product Summary
- 8.12.3 Financial Performance
- 8.12.4 SWOT Analysis
8.13 Plasma-Therm
- 8.13.1 Overview
- 8.13.2 Product Summary
- 8.13.3 Financial Performance
- 8.13.4 SWOT Analysis
8.14 Oxford Instruments
- 8.14.1 Overview
- 8.14.2 Product Summary
- 8.14.3 Financial Performance
- 8.14.4 SWOT Analysis
8.15 SPTS Technologies
- 8.15.1 Overview
- 8.15.2 Product Summary
- 8.15.3 Financial Performance
- 8.15.4 SWOT Analysis
8.16 Horiba
- 8.16.1 Overview
- 8.16.2 Product Summary
- 8.16.3 Financial Performance
- 8.16.4 SWOT Analysis
8.17 Edwards Vacuum
- 8.17.1 Overview
- 8.17.2 Product Summary
- 8.17.3 Financial Performance
- 8.17.4 SWOT Analysis
8.18 MKS Instruments
- 8.18.1 Overview
- 8.18.2 Product Summary
- 8.18.3 Financial Performance
- 8.18.4 SWOT Analysis
8.19 Renishaw
- 8.19.1 Overview
- 8.19.2 Product Summary
- 8.19.3 Financial Performance
- 8.19.4 SWOT Analysis
8.20 LPE
- 8.20.1 Overview
- 8.20.2 Product Summary
- 8.20.3 Financial Performance
- 8.20.4 SWOT Analysis

9 About Us

9.1 About Us
9.2 Research Methodology
9.3 Research Workflow
9.4 Consulting Services
9.5 Our Clients
9.6 Client Testimonials
9.7 Contact Us