Revenue

12 Months Ended

Dec. 31, 2023

Revenue

Revenue

Note 3. Revenue

We design, manufacture and service ion implantation and other processing equipment used in the fabrication of semiconductor chips and sell our products to leading semiconductor chip manufacturers worldwide. We offer a complete line of high energy, high current and medium current implanters for all application requirements. In addition, we provide extensive aftermarket lifecycle products and services, including used tools, spare parts, equipment upgrades, maintenance service and customer training. Our revenue recognition policies are set forth in Section (i) of Note 2, Summary of Significant Accounting Policies.

(a) Alternative Operational Revenue Categories used by Management

To reflect the organization of our business operations, management reviews revenue in two categories: revenue from sales of new systems and revenue arising from the sale of used systems, parts and labor to customers who own systems, which we refer to as “CS&I” or “aftermarket.”

Below are the revenues by categories used by management for the periods covered in this report:

	Year ended
	December 31,
	2023		2022		2021
	(in thousands)
Systems	$	883,604	$	692,061	$	454,598
Aftermarket		247,000		227,937		207,830
Total Revenue	$	1,130,604	$	919,998	$	662,428

(b) Economic Factors Affecting our Revenue: Geographic Breakdown of Revenue

Global economic conditions have a direct impact on our revenue. We are substantially dependent on sales of our products and services to customers outside of the United States. Adverse economic conditions, political instability, potential adverse tax consequences, regulatory changes and volatility in exchange rates pose a risk that our clients may reduce, postpone or cancel spending for our products and services, which would impact our revenue.

Revenue by geographic markets is determined based upon the location to which our products are shipped and where our services are performed. Revenue in our principal geographic markets is as follows:

	Year ended
	December 31,
	2023		2022		2021
	(in thousands)
North America	$	174,810	$	143,701	$	48,715
Asia Pacific		811,308		673,752		516,105
Europe		144,486		102,545		97,608
Total Revenue	$	1,130,604	$	919,998	$	662,428

(c) Recognition of Deferred Revenue from Contract Liabilities

Contract liabilities are as follows:

	Year ended
	December 31,
	2023		2022		2021
	(in thousands)
Balance, beginning of the period	$	154,777	$	68,436	$	23,058
Deferral of revenue		185,688		146,674		66,349
Recognition of deferred revenue		(129,580)		(60,333)		(20,971)
Balance, end of the period	$	210,885	$	154,777	$	68,436

Contract liabilities are reflected as deferred revenue on the consolidated balance sheet. Contract liabilities relate to payments received or amounts invoiced in advance of completion of performance obligations under a contract. Contract liabilities are recognized as revenue upon the fulfillment of performance obligations.

As of December 31, 2023, we had deferred revenue of $210.9 million. This represents the portion of the transaction price for contracts with customers allocated to the performance obligations that remain unsatisfied or partially unsatisfied. Short-term deferred revenue of $164.7 million as of December 31, 2023 represents performance obligations that are expected to be satisfied within the next 12 months. This amount relates primarily to prepayments made prior to system delivery as well as to installation and non-standard warranty performance obligations for system sales. Long-term deferred revenue of $46.2 million as of December 31, 2023 relates to prepayments made prior to system delivery as well as to extended warranty performance obligations that we expect to be completed in excess of the next 12 months but within the next 24 months.

The majority of our system transactions have payment terms that are 90% due upon shipment of the tool and 10% due upon installation. Aftermarket transaction payment terms are such that payment is due either within 30 or 60 days of service provided or delivery of parts.